11516905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 15738624

約数和(自身を除く): 4221719

約数列:

[1, 5, 17, 23, 43, 85, 115, 137, 215, 391, 685, 731, 989, 1955, 2329, 3151, 3655, 4945, 5891, 11645, 15755, 16813, 29455, 53567, 84065, 100147, 135493, 267835, 500735, 677465, 2303381, 11516905]

約数ペア:

[(1, 11516905), (5, 2303381), (17, 677465), (23, 500735), (43, 267835), (85, 135493), (115, 100147), (137, 84065), (215, 53567), (391, 29455), (685, 16813), (731, 15755), (989, 11645), (1955, 5891), (2329, 4945), (3151, 3655)]