221161585

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{3733}}^1$

素因数の和:3813

約数の個数: 24

約数和(自身を含む): 288877176

約数和(自身を除く): 67715591

約数列:

[1, 5, 17, 41, 85, 205, 289, 697, 1445, 3485, 3733, 11849, 18665, 59245, 63461, 153053, 317305, 765265, 1078837, 2601901, 5394185, 13009505, 44232317, 221161585]

約数ペア:

[(1, 221161585), (5, 44232317), (17, 13009505), (41, 5394185), (85, 2601901), (205, 1078837), (289, 765265), (697, 317305), (1445, 153053), (3485, 63461), (3733, 59245), (11849, 18665)]