257389694

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{69829}}^1$

素因数の和:69947

約数の個数: 16

約数和(自身を含む): 410600400

約数和(自身を除く): 153210706

約数列:

[1, 2, 19, 38, 97, 194, 1843, 3686, 69829, 139658, 1326751, 2653502, 6773413, 13546826, 128694847, 257389694]

約数ペア:

[(1, 257389694), (2, 128694847), (19, 13546826), (38, 6773413), (97, 2653502), (194, 1326751), (1843, 139658), (3686, 69829)]