71989938

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 166129920

約数和(自身を除く): 94139982

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 137, 222, 263, 274, 333, 411, 526, 666, 789, 822, 999, 1233, 1578, 1998, 2367, 2466, 3699, 4734, 5069, 7101, 7398, 9731, 10138, 14202, 15207, 19462, 29193, 30414, 36031, 45621, 58386, 72062, 87579, 91242, 108093, 136863, 175158, 216186, 262737, 273726, 324279, 525474, 648558, 972837, 1333147, 1945674, 2666294, 3999441, 7998882, 11998323, 23996646, 35994969, 71989938]

約数ペア:

[(1, 71989938), (2, 35994969), (3, 23996646), (6, 11998323), (9, 7998882), (18, 3999441), (27, 2666294), (37, 1945674), (54, 1333147), (74, 972837), (111, 648558), (137, 525474), (222, 324279), (263, 273726), (274, 262737), (333, 216186), (411, 175158), (526, 136863), (666, 108093), (789, 91242), (822, 87579), (999, 72062), (1233, 58386), (1578, 45621), (1998, 36031), (2367, 30414), (2466, 29193), (3699, 19462), (4734, 15207), (5069, 14202), (7101, 10138), (7398, 9731)]