257517637

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 294404544

約数和(自身を除く): 36886907

約数列:

[1, 13, 23, 97, 169, 299, 683, 1261, 2231, 3887, 8879, 15709, 16393, 29003, 66251, 115427, 204217, 377039, 861263, 1523773, 2654821, 11196419, 19809049, 257517637]

約数ペア:

[(1, 257517637), (13, 19809049), (23, 11196419), (97, 2654821), (169, 1523773), (299, 861263), (683, 377039), (1261, 204217), (2231, 115427), (3887, 66251), (8879, 29003), (15709, 16393)]