253346513

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{541}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 311411520

約数和(自身を除く): 58065007

約数列:

[1, 7, 19, 49, 133, 503, 541, 931, 3521, 3787, 9557, 10279, 24647, 26509, 66899, 71953, 272123, 468293, 503671, 1904861, 5170337, 13334027, 36192359, 253346513]

約数ペア:

[(1, 253346513), (7, 36192359), (19, 13334027), (49, 5170337), (133, 1904861), (503, 503671), (541, 468293), (931, 272123), (3521, 71953), (3787, 66899), (9557, 26509), (10279, 24647)]