256543274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{266677}}^1$

素因数の和:266729

約数の個数: 16

約数和(自身を含む): 425618088

約数和(自身を除く): 169074814

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 266677, 533354, 3466801, 6933602, 9867049, 19734098, 128271637, 256543274]

約数ペア:

[(1, 256543274), (2, 128271637), (13, 19734098), (26, 9867049), (37, 6933602), (74, 3466801), (481, 533354), (962, 266677)]