639792012

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:188

約数の個数: 192

約数和(自身を含む): 1725825024

約数和(自身を除く): 1086033012

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 37, 43, 46, 47, 62, 69, 74, 86, 92, 93, 94, 111, 124, 129, 138, 141, 148, 172, 186, 188, 222, 258, 276, 282, 372, 444, 516, 564, 713, 851, 989, 1081, 1147, 1333, 1426, 1457, 1591, 1702, 1739, 1978, 2021, 2139, 2162, 2294, 2553, 2666, 2852, 2914, 2967, 3182, 3243, 3404, 3441, 3478, 3956, 3999, 4042, 4278, 4324, 4371, 4588, 4773, 5106, 5217, 5332, 5828, 5934, 6063, 6364, 6486, 6882, 6956, 7998, 8084, 8556, 8742, 9546, 10212, 10434, 11868, 12126, 12972, 13764, 15996, 17484, 19092, 20868, 24252, 26381, 30659, 33511, 36593, 39997, 46483, 49321, 52762, 53909, 61318, 62651, 67022, 73186, 74777, 79143, 79994, 91977, 92966, 98642, 100533, 105524, 107818, 109779, 119991, 122636, 125302, 134044, 139449, 146372, 147963, 149554, 158286, 159988, 161727, 183954, 185932, 187953, 197284, 201066, 215636, 219558, 224331, 239982, 250604, 278898, 295926, 299108, 316572, 323454, 367908, 375906, 402132, 439116, 448662, 479964, 557796, 591852, 646908, 751812, 897324, 1134383, 1239907, 1440973, 1719871, 2268766, 2318087, 2479814, 2881946, 3403149, 3439742, 3719721, 4322919, 4537532, 4636174, 4959628, 5159613, 5763892, 6806298, 6879484, 6954261, 7439442, 8645838, 9272348, 10319226, 13612596, 13908522, 14878884, 17291676, 20638452, 27817044, 53316001, 106632002, 159948003, 213264004, 319896006, 639792012]

約数ペア:

[(1, 639792012), (2, 319896006), (3, 213264004), (4, 159948003), (6, 106632002), (12, 53316001), (23, 27817044), (31, 20638452), (37, 17291676), (43, 14878884), (46, 13908522), (47, 13612596), (62, 10319226), (69, 9272348), (74, 8645838), (86, 7439442), (92, 6954261), (93, 6879484), (94, 6806298), (111, 5763892), (124, 5159613), (129, 4959628), (138, 4636174), (141, 4537532), (148, 4322919), (172, 3719721), (186, 3439742), (188, 3403149), (222, 2881946), (258, 2479814), (276, 2318087), (282, 2268766), (372, 1719871), (444, 1440973), (516, 1239907), (564, 1134383), (713, 897324), (851, 751812), (989, 646908), (1081, 591852), (1147, 557796), (1333, 479964), (1426, 448662), (1457, 439116), (1591, 402132), (1702, 375906), (1739, 367908), (1978, 323454), (2021, 316572), (2139, 299108), (2162, 295926), (2294, 278898), (2553, 250604), (2666, 239982), (2852, 224331), (2914, 219558), (2967, 215636), (3182, 201066), (3243, 197284), (3404, 187953), (3441, 185932), (3478, 183954), (3956, 161727), (3999, 159988), (4042, 158286), (4278, 149554), (4324, 147963), (4371, 146372), (4588, 139449), (4773, 134044), (5106, 125302), (5217, 122636), (5332, 119991), (5828, 109779), (5934, 107818), (6063, 105524), (6364, 100533), (6486, 98642), (6882, 92966), (6956, 91977), (7998, 79994), (8084, 79143), (8556, 74777), (8742, 73186), (9546, 67022), (10212, 62651), (10434, 61318), (11868, 53909), (12126, 52762), (12972, 49321), (13764, 46483), (15996, 39997), (17484, 36593), (19092, 33511), (20868, 30659), (24252, 26381)]