221267090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{5171}}^1$

素因数の和:5578

約数の個数: 32

約数和(自身を含む): 435689280

約数和(自身を除く): 214422190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 3890, 4279, 5171, 8558, 10342, 21395, 25855, 42790, 51710, 56881, 113762, 284405, 568810, 2011519, 4023038, 10057595, 20115190, 22126709, 44253418, 110633545, 221267090]

約数ペア:

[(1, 221267090), (2, 110633545), (5, 44253418), (10, 22126709), (11, 20115190), (22, 10057595), (55, 4023038), (110, 2011519), (389, 568810), (778, 284405), (1945, 113762), (3890, 56881), (4279, 51710), (5171, 42790), (8558, 25855), (10342, 21395)]