645323484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4136689}}^1$

素因数の和:4136709

約数の個数: 24

約数和(自身を含む): 1621582480

約数和(自身を除く): 976258996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 4136689, 8273378, 12410067, 16546756, 24820134, 49640268, 53776957, 107553914, 161330871, 215107828, 322661742, 645323484]

約数ペア:

[(1, 645323484), (2, 322661742), (3, 215107828), (4, 161330871), (6, 107553914), (12, 53776957), (13, 49640268), (26, 24820134), (39, 16546756), (52, 12410067), (78, 8273378), (156, 4136689)]