620887345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2351}}^1$

素因数の和:2625

約数の個数: 32

約数和(自身を含む): 853493760

約数和(自身を除く): 232606415

約数列:

[1, 5, 13, 17, 65, 85, 221, 239, 1105, 1195, 2351, 3107, 4063, 11755, 15535, 20315, 30563, 39967, 52819, 152815, 199835, 264095, 519571, 561889, 2597855, 2809445, 7304557, 9552113, 36522785, 47760565, 124177469, 620887345]

約数ペア:

[(1, 620887345), (5, 124177469), (13, 47760565), (17, 36522785), (65, 9552113), (85, 7304557), (221, 2809445), (239, 2597855), (1105, 561889), (1195, 519571), (2351, 264095), (3107, 199835), (4063, 152815), (11755, 52819), (15535, 39967), (20315, 30563)]