28757183

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 38828160

約数和(自身を除く): 10070977

約数列:

[1, 7, 13, 17, 29, 91, 119, 203, 221, 377, 493, 641, 1547, 2639, 3451, 4487, 6409, 8333, 10897, 18589, 44863, 58331, 76279, 130123, 141661, 241657, 316013, 991627, 1691599, 2212091, 4108169, 28757183]

約数ペア:

[(1, 28757183), (7, 4108169), (13, 2212091), (17, 1691599), (29, 991627), (91, 316013), (119, 241657), (203, 141661), (221, 130123), (377, 76279), (493, 58331), (641, 44863), (1547, 18589), (2639, 10897), (3451, 8333), (4487, 6409)]