64805279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1511}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 80994816

約数和(自身を除く): 16189537

約数列:

[1, 7, 11, 77, 557, 1511, 3899, 6127, 10577, 16621, 42889, 116347, 841627, 5891389, 9257897, 64805279]

約数ペア:

[(1, 64805279), (7, 9257897), (11, 5891389), (77, 841627), (557, 116347), (1511, 42889), (3899, 16621), (6127, 10577)]