268793278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{19843}}^1$

素因数の和:20379

約数の個数: 16

約数和(自身を含む): 435059856

約数和(自身を除く): 166266578

約数列:

[1, 2, 13, 26, 521, 1042, 6773, 13546, 19843, 39686, 257959, 515918, 10338203, 20676406, 134396639, 268793278]

約数ペア:

[(1, 268793278), (2, 134396639), (13, 20676406), (26, 10338203), (521, 515918), (1042, 257959), (6773, 39686), (13546, 19843)]