665028

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:66

約数の個数: 108

約数和(自身を含む): 2178540

約数和(自身を除く): 1513512

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 29, 36, 39, 42, 49, 52, 58, 63, 78, 84, 87, 91, 98, 116, 117, 126, 147, 156, 174, 182, 196, 203, 234, 252, 261, 273, 294, 348, 364, 377, 406, 441, 468, 522, 546, 588, 609, 637, 754, 812, 819, 882, 1044, 1092, 1131, 1218, 1274, 1421, 1508, 1638, 1764, 1827, 1911, 2262, 2436, 2548, 2639, 2842, 3276, 3393, 3654, 3822, 4263, 4524, 5278, 5684, 5733, 6786, 7308, 7644, 7917, 8526, 10556, 11466, 12789, 13572, 15834, 17052, 18473, 22932, 23751, 25578, 31668, 36946, 47502, 51156, 55419, 73892, 95004, 110838, 166257, 221676, 332514, 665028]

約数ペア:

[(1, 665028), (2, 332514), (3, 221676), (4, 166257), (6, 110838), (7, 95004), (9, 73892), (12, 55419), (13, 51156), (14, 47502), (18, 36946), (21, 31668), (26, 25578), (28, 23751), (29, 22932), (36, 18473), (39, 17052), (42, 15834), (49, 13572), (52, 12789), (58, 11466), (63, 10556), (78, 8526), (84, 7917), (87, 7644), (91, 7308), (98, 6786), (116, 5733), (117, 5684), (126, 5278), (147, 4524), (156, 4263), (174, 3822), (182, 3654), (196, 3393), (203, 3276), (234, 2842), (252, 2639), (261, 2548), (273, 2436), (294, 2262), (348, 1911), (364, 1827), (377, 1764), (406, 1638), (441, 1508), (468, 1421), (522, 1274), (546, 1218), (588, 1131), (609, 1092), (637, 1044), (754, 882), (812, 819)]