637742664

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{709}}^1$

素因数の和:796

約数の個数: 144

約数和(自身を含む): 1924731900

約数和(自身を除く): 1286989236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 234, 248, 279, 312, 372, 403, 468, 558, 709, 744, 806, 936, 961, 1116, 1209, 1418, 1612, 1922, 2127, 2232, 2418, 2836, 2883, 3224, 3627, 3844, 4254, 4836, 5672, 5766, 6381, 7254, 7688, 8508, 8649, 9217, 9672, 11532, 12493, 12762, 14508, 17016, 17298, 18434, 21979, 23064, 24986, 25524, 27651, 29016, 34596, 36868, 37479, 43958, 49972, 51048, 55302, 65937, 69192, 73736, 74958, 82953, 87916, 99944, 110604, 112437, 131874, 149916, 165906, 175832, 197811, 221208, 224874, 263748, 285727, 299832, 331812, 395622, 449748, 527496, 571454, 663624, 681349, 791244, 857181, 899496, 1142908, 1362698, 1582488, 1714362, 2044047, 2285816, 2571543, 2725396, 3428724, 4088094, 5143086, 5450792, 6132141, 6857448, 8176188, 8857537, 10286172, 12264282, 16352376, 17715074, 20572344, 24528564, 26572611, 35430148, 49057128, 53145222, 70860296, 79717833, 106290444, 159435666, 212580888, 318871332, 637742664]

約数ペア:

[(1, 637742664), (2, 318871332), (3, 212580888), (4, 159435666), (6, 106290444), (8, 79717833), (9, 70860296), (12, 53145222), (13, 49057128), (18, 35430148), (24, 26572611), (26, 24528564), (31, 20572344), (36, 17715074), (39, 16352376), (52, 12264282), (62, 10286172), (72, 8857537), (78, 8176188), (93, 6857448), (104, 6132141), (117, 5450792), (124, 5143086), (156, 4088094), (186, 3428724), (234, 2725396), (248, 2571543), (279, 2285816), (312, 2044047), (372, 1714362), (403, 1582488), (468, 1362698), (558, 1142908), (709, 899496), (744, 857181), (806, 791244), (936, 681349), (961, 663624), (1116, 571454), (1209, 527496), (1418, 449748), (1612, 395622), (1922, 331812), (2127, 299832), (2232, 285727), (2418, 263748), (2836, 224874), (2883, 221208), (3224, 197811), (3627, 175832), (3844, 165906), (4254, 149916), (4836, 131874), (5672, 112437), (5766, 110604), (6381, 99944), (7254, 87916), (7688, 82953), (8508, 74958), (8649, 73736), (9217, 69192), (9672, 65937), (11532, 55302), (12493, 51048), (12762, 49972), (14508, 43958), (17016, 37479), (17298, 36868), (18434, 34596), (21979, 29016), (23064, 27651), (24986, 25524)]