129678984

素因数分解:

$2^3\times 3^2\times {\mathrm{521}}^1\times {\mathrm{3457}}^1$

素因数の和:3990

約数の個数: 48

約数和(自身を含む): 351989820

約数和(自身を除く): 222310836

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 521, 1042, 1563, 2084, 3126, 3457, 4168, 4689, 6252, 6914, 9378, 10371, 12504, 13828, 18756, 20742, 27656, 31113, 37512, 41484, 62226, 82968, 124452, 248904, 1801097, 3602194, 5403291, 7204388, 10806582, 14408776, 16209873, 21613164, 32419746, 43226328, 64839492, 129678984]

約数ペア:

[(1, 129678984), (2, 64839492), (3, 43226328), (4, 32419746), (6, 21613164), (8, 16209873), (9, 14408776), (12, 10806582), (18, 7204388), (24, 5403291), (36, 3602194), (72, 1801097), (521, 248904), (1042, 124452), (1563, 82968), (2084, 62226), (3126, 41484), (3457, 37512), (4168, 31113), (4689, 27656), (6252, 20742), (6914, 18756), (9378, 13828), (10371, 12504)]