9909895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 13592448

約数和(自身を除く): 3682553

約数列:

[1, 5, 17, 23, 37, 85, 115, 137, 185, 391, 629, 685, 851, 1955, 2329, 3145, 3151, 4255, 5069, 11645, 14467, 15755, 25345, 53567, 72335, 86173, 116587, 267835, 430865, 582935, 1981979, 9909895]

約数ペア:

[(1, 9909895), (5, 1981979), (17, 582935), (23, 430865), (37, 267835), (85, 116587), (115, 86173), (137, 72335), (185, 53567), (391, 25345), (629, 15755), (685, 14467), (851, 11645), (1955, 5069), (2329, 4255), (3145, 3151)]