664775748

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3221}}^1$

素因数の和:3264

約数の個数: 180

約数和(自身を含む): 2177769132

約数和(自身を除く): 1512993384

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 81, 84, 91, 98, 108, 117, 126, 147, 156, 162, 182, 189, 196, 234, 252, 273, 294, 324, 351, 364, 378, 441, 468, 546, 567, 588, 637, 702, 756, 819, 882, 1053, 1092, 1134, 1274, 1323, 1404, 1638, 1764, 1911, 2106, 2268, 2457, 2548, 2646, 3221, 3276, 3822, 3969, 4212, 4914, 5292, 5733, 6442, 7371, 7644, 7938, 9663, 9828, 11466, 12884, 14742, 15876, 17199, 19326, 22547, 22932, 28989, 29484, 34398, 38652, 41873, 45094, 51597, 57978, 67641, 68796, 83746, 86967, 90188, 103194, 115956, 125619, 135282, 157829, 167492, 173934, 202923, 206388, 251238, 260901, 270564, 293111, 315658, 347868, 376857, 405846, 473487, 502476, 521802, 586222, 608769, 631316, 753714, 811692, 879333, 946974, 1043604, 1130571, 1172444, 1217538, 1420461, 1507428, 1758666, 1826307, 1893948, 2051777, 2261142, 2435076, 2637999, 2840922, 3391713, 3517332, 3652614, 4103554, 4261383, 4522284, 5275998, 5681844, 6155331, 6783426, 7305228, 7913997, 8207108, 8522766, 10551996, 12310662, 12784149, 13566852, 15827994, 17045532, 18465993, 23741991, 24621324, 25568298, 31655988, 36931986, 47483982, 51136596, 55397979, 73863972, 94967964, 110795958, 166193937, 221591916, 332387874, 664775748]

約数ペア:

[(1, 664775748), (2, 332387874), (3, 221591916), (4, 166193937), (6, 110795958), (7, 94967964), (9, 73863972), (12, 55397979), (13, 51136596), (14, 47483982), (18, 36931986), (21, 31655988), (26, 25568298), (27, 24621324), (28, 23741991), (36, 18465993), (39, 17045532), (42, 15827994), (49, 13566852), (52, 12784149), (54, 12310662), (63, 10551996), (78, 8522766), (81, 8207108), (84, 7913997), (91, 7305228), (98, 6783426), (108, 6155331), (117, 5681844), (126, 5275998), (147, 4522284), (156, 4261383), (162, 4103554), (182, 3652614), (189, 3517332), (196, 3391713), (234, 2840922), (252, 2637999), (273, 2435076), (294, 2261142), (324, 2051777), (351, 1893948), (364, 1826307), (378, 1758666), (441, 1507428), (468, 1420461), (546, 1217538), (567, 1172444), (588, 1130571), (637, 1043604), (702, 946974), (756, 879333), (819, 811692), (882, 753714), (1053, 631316), (1092, 608769), (1134, 586222), (1274, 521802), (1323, 502476), (1404, 473487), (1638, 405846), (1764, 376857), (1911, 347868), (2106, 315658), (2268, 293111), (2457, 270564), (2548, 260901), (2646, 251238), (3221, 206388), (3276, 202923), (3822, 173934), (3969, 167492), (4212, 157829), (4914, 135282), (5292, 125619), (5733, 115956), (6442, 103194), (7371, 90188), (7644, 86967), (7938, 83746), (9663, 68796), (9828, 67641), (11466, 57978), (12884, 51597), (14742, 45094), (15876, 41873), (17199, 38652), (19326, 34398), (22547, 29484), (22932, 28989)]