156780421

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{3163}}^1$

素因数の和:3340

約数の個数: 16

約数和(自身を含む): 183562624

約数和(自身を除く): 26782203

約数列:

[1, 7, 73, 97, 511, 679, 3163, 7081, 22141, 49567, 230899, 306811, 1616293, 2147677, 22397203, 156780421]

約数ペア:

[(1, 156780421), (7, 22397203), (73, 2147677), (97, 1616293), (511, 306811), (679, 230899), (3163, 49567), (7081, 22141)]