78407998

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{3517}}^1$

素因数の和:3747

約数の個数: 16

約数和(自身を含む): 120062304

約数和(自身を除く): 41654306

約数列:

[1, 2, 71, 142, 157, 314, 3517, 7034, 11147, 22294, 249707, 499414, 552169, 1104338, 39203999, 78407998]

約数ペア:

[(1, 78407998), (2, 39203999), (71, 1104338), (142, 552169), (157, 499414), (314, 249707), (3517, 22294), (7034, 11147)]