56681456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{272507}}^1$

素因数の和:272528

約数の個数: 20

約数和(自身を含む): 118268472

約数和(自身を除く): 61587016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 272507, 545014, 1090028, 2180056, 3542591, 4360112, 7085182, 14170364, 28340728, 56681456]

約数ペア:

[(1, 56681456), (2, 28340728), (4, 14170364), (8, 7085182), (13, 4360112), (16, 3542591), (26, 2180056), (52, 1090028), (104, 545014), (208, 272507)]