64633289

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{2557}}^1$

素因数の和:2744

約数の個数: 16

約数和(自身を含む): 77599488

約数和(自身を除く): 12966199

約数列:

[1, 7, 23, 157, 161, 1099, 2557, 3611, 17899, 25277, 58811, 401449, 411677, 2810143, 9233327, 64633289]

約数ペア:

[(1, 64633289), (7, 9233327), (23, 2810143), (157, 411677), (161, 401449), (1099, 58811), (2557, 25277), (3611, 17899)]