289860395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{22051}}^1$

素因数の和:22306

約数の個数: 16

約数和(自身を含む): 381058560

約数和(自身を除く): 91198165

約数列:

[1, 5, 11, 55, 239, 1195, 2629, 13145, 22051, 110255, 242561, 1212805, 5270189, 26350945, 57972079, 289860395]

約数ペア:

[(1, 289860395), (5, 57972079), (11, 26350945), (55, 5270189), (239, 1212805), (1195, 242561), (2629, 110255), (13145, 22051)]