261775408

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{1013}}^1$

素因数の和:1573

約数の個数: 40

約数和(自身を含む): 525073536

約数和(自身を除く): 263298128

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 521, 1013, 1042, 2026, 2084, 4052, 4168, 8104, 8336, 16151, 16208, 31403, 32302, 62806, 64604, 125612, 129208, 251224, 258416, 502448, 527773, 1055546, 2111092, 4222184, 8444368, 16360963, 32721926, 65443852, 130887704, 261775408]

約数ペア:

[(1, 261775408), (2, 130887704), (4, 65443852), (8, 32721926), (16, 16360963), (31, 8444368), (62, 4222184), (124, 2111092), (248, 1055546), (496, 527773), (521, 502448), (1013, 258416), (1042, 251224), (2026, 129208), (2084, 125612), (4052, 64604), (4168, 62806), (8104, 32302), (8336, 31403), (16151, 16208)]