248506775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{727}}^1$

素因数の和:872

約数の個数: 36

約数和(自身を含む): 342176016

約数和(自身を除く): 93669241

約数列:

[1, 5, 11, 25, 55, 113, 121, 275, 565, 605, 727, 1243, 2825, 3025, 3635, 6215, 7997, 13673, 18175, 31075, 39985, 68365, 82151, 87967, 199925, 341825, 410755, 439835, 903661, 2053775, 2199175, 4518305, 9940271, 22591525, 49701355, 248506775]

約数ペア:

[(1, 248506775), (5, 49701355), (11, 22591525), (25, 9940271), (55, 4518305), (113, 2199175), (121, 2053775), (275, 903661), (565, 439835), (605, 410755), (727, 341825), (1243, 199925), (2825, 87967), (3025, 82151), (3635, 68365), (6215, 39985), (7997, 31075), (13673, 18175)]