278987116

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{6257}}^1$

素因数の和:6489

約数の個数: 24

約数和(自身を含む): 498337056

約数和(自身を除く): 219349940

約数列:

[1, 2, 4, 71, 142, 157, 284, 314, 628, 6257, 11147, 12514, 22294, 25028, 44588, 444247, 888494, 982349, 1776988, 1964698, 3929396, 69746779, 139493558, 278987116]

約数ペア:

[(1, 278987116), (2, 139493558), (4, 69746779), (71, 3929396), (142, 1964698), (157, 1776988), (284, 982349), (314, 888494), (628, 444247), (6257, 44588), (11147, 25028), (12514, 22294)]