640946358

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:652

約数の個数: 120

約数和(自身を含む): 1595890296

約数和(自身を除く): 954943938

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 41, 54, 78, 81, 82, 117, 123, 162, 169, 234, 246, 338, 351, 369, 507, 533, 571, 702, 738, 1014, 1053, 1066, 1107, 1142, 1521, 1599, 1713, 2106, 2214, 3042, 3198, 3321, 3426, 4563, 4797, 5139, 6642, 6929, 7423, 9126, 9594, 10278, 13689, 13858, 14391, 14846, 15417, 20787, 22269, 23411, 27378, 28782, 30834, 41574, 43173, 44538, 46251, 46822, 62361, 66807, 70233, 86346, 92502, 96499, 124722, 133614, 140466, 187083, 192998, 200421, 210699, 289497, 304343, 374166, 400842, 421398, 561249, 578994, 601263, 608686, 632097, 868491, 913029, 1122498, 1202526, 1264194, 1736982, 1826058, 1896291, 2605473, 2739087, 3792582, 3956459, 5210946, 5478174, 7816419, 7912918, 8217261, 11869377, 15632838, 16434522, 23738754, 24651783, 35608131, 49303566, 71216262, 106824393, 213648786, 320473179, 640946358]

約数ペア:

[(1, 640946358), (2, 320473179), (3, 213648786), (6, 106824393), (9, 71216262), (13, 49303566), (18, 35608131), (26, 24651783), (27, 23738754), (39, 16434522), (41, 15632838), (54, 11869377), (78, 8217261), (81, 7912918), (82, 7816419), (117, 5478174), (123, 5210946), (162, 3956459), (169, 3792582), (234, 2739087), (246, 2605473), (338, 1896291), (351, 1826058), (369, 1736982), (507, 1264194), (533, 1202526), (571, 1122498), (702, 913029), (738, 868491), (1014, 632097), (1053, 608686), (1066, 601263), (1107, 578994), (1142, 561249), (1521, 421398), (1599, 400842), (1713, 374166), (2106, 304343), (2214, 289497), (3042, 210699), (3198, 200421), (3321, 192998), (3426, 187083), (4563, 140466), (4797, 133614), (5139, 124722), (6642, 96499), (6929, 92502), (7423, 86346), (9126, 70233), (9594, 66807), (10278, 62361), (13689, 46822), (13858, 46251), (14391, 44538), (14846, 43173), (15417, 41574), (20787, 30834), (22269, 28782), (23411, 27378)]