645988456

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{601}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 1297069200

約数和(自身を除く): 651080744

約数列:

[1, 2, 4, 8, 29, 41, 58, 82, 113, 116, 164, 226, 232, 328, 452, 601, 904, 1189, 1202, 2378, 2404, 3277, 4633, 4756, 4808, 6554, 9266, 9512, 13108, 17429, 18532, 24641, 26216, 34858, 37064, 49282, 67913, 69716, 98564, 134357, 135826, 139432, 197128, 268714, 271652, 537428, 543304, 714589, 1074856, 1429178, 1969477, 2784433, 2858356, 3938954, 5568866, 5716712, 7877908, 11137732, 15755816, 22275464, 80748557, 161497114, 322994228, 645988456]

約数ペア:

[(1, 645988456), (2, 322994228), (4, 161497114), (8, 80748557), (29, 22275464), (41, 15755816), (58, 11137732), (82, 7877908), (113, 5716712), (116, 5568866), (164, 3938954), (226, 2858356), (232, 2784433), (328, 1969477), (452, 1429178), (601, 1074856), (904, 714589), (1189, 543304), (1202, 537428), (2378, 271652), (2404, 268714), (3277, 197128), (4633, 139432), (4756, 135826), (4808, 134357), (6554, 98564), (9266, 69716), (9512, 67913), (13108, 49282), (17429, 37064), (18532, 34858), (24641, 26216)]