251481828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1612063}}^1$

素因数の和:1612083

約数の個数: 24

約数和(自身を含む): 631929088

約数和(自身を除く): 380447260

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1612063, 3224126, 4836189, 6448252, 9672378, 19344756, 20956819, 41913638, 62870457, 83827276, 125740914, 251481828]

約数ペア:

[(1, 251481828), (2, 125740914), (3, 83827276), (4, 62870457), (6, 41913638), (12, 20956819), (13, 19344756), (26, 9672378), (39, 6448252), (52, 4836189), (78, 3224126), (156, 1612063)]