78546892

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{977}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 139658400

約数和(自身を除く): 61111508

約数列:

[1, 2, 4, 101, 199, 202, 398, 404, 796, 977, 1954, 3908, 20099, 40198, 80396, 98677, 194423, 197354, 388846, 394708, 777692, 19636723, 39273446, 78546892]

約数ペア:

[(1, 78546892), (2, 39273446), (4, 19636723), (101, 777692), (199, 394708), (202, 388846), (398, 197354), (404, 194423), (796, 98677), (977, 80396), (1954, 40198), (3908, 20099)]