764720495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1\times {\mathrm{1553}}^1$

素因数の和:2855

約数の個数: 32

約数和(自身を含む): 1145733120

約数和(自身を除く): 381012625

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 1279, 1553, 6395, 7765, 8953, 10871, 14069, 17083, 44765, 54355, 70345, 85415, 98483, 119581, 492415, 597905, 1986287, 9931435, 13904009, 21849157, 69520045, 109245785, 152944099, 764720495]

約数ペア:

[(1, 764720495), (5, 152944099), (7, 109245785), (11, 69520045), (35, 21849157), (55, 13904009), (77, 9931435), (385, 1986287), (1279, 597905), (1553, 492415), (6395, 119581), (7765, 98483), (8953, 85415), (10871, 70345), (14069, 54355), (17083, 44765)]