127970518

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1\times {\mathrm{1571}}^1$

素因数の和:1840

約数の個数: 24

約数和(自身を含む): 208852776

約数和(自身を除く): 80882258

約数列:

[1, 2, 13, 26, 169, 241, 338, 482, 1571, 3133, 3142, 6266, 20423, 40729, 40846, 81458, 265499, 378611, 530998, 757222, 4921943, 9843886, 63985259, 127970518]

約数ペア:

[(1, 127970518), (2, 63985259), (13, 9843886), (26, 4921943), (169, 757222), (241, 530998), (338, 378611), (482, 265499), (1571, 81458), (3133, 40846), (3142, 40729), (6266, 20423)]