1212758855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{43151}}^1$

素因数の和:43247

約数の個数: 32

約数和(自身を含む): 1839310848

約数和(自身を除く): 626551993

約数列:

[1, 5, 7, 11, 35, 55, 73, 77, 365, 385, 511, 803, 2555, 4015, 5621, 28105, 43151, 215755, 302057, 474661, 1510285, 2373305, 3150023, 3322627, 15750115, 16613135, 22050161, 34650253, 110250805, 173251265, 242551771, 1212758855]

約数ペア:

[(1, 1212758855), (5, 242551771), (7, 173251265), (11, 110250805), (35, 34650253), (55, 22050161), (73, 16613135), (77, 15750115), (365, 3322627), (385, 3150023), (511, 2373305), (803, 1510285), (2555, 474661), (4015, 302057), (5621, 215755), (28105, 43151)]