12728720528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1373}}^1\times {\mathrm{18691}}^1$

素因数の和:20103

約数の個数: 40

約数和(自身を含む): 25477345536

約数和(自身を除く): 12748625008

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1373, 2746, 5492, 10984, 18691, 21968, 37382, 42563, 74764, 85126, 149528, 170252, 299056, 340504, 579421, 681008, 1158842, 2317684, 4635368, 9270736, 25662743, 51325486, 102650972, 205301944, 410603888, 795545033, 1591090066, 3182180132, 6364360264, 12728720528]

約数ペア:

[(1, 12728720528), (2, 6364360264), (4, 3182180132), (8, 1591090066), (16, 795545033), (31, 410603888), (62, 205301944), (124, 102650972), (248, 51325486), (496, 25662743), (1373, 9270736), (2746, 4635368), (5492, 2317684), (10984, 1158842), (18691, 681008), (21968, 579421), (37382, 340504), (42563, 299056), (74764, 170252), (85126, 149528)]