64978316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{977}}^1\times {\mathrm{1279}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 122680320

約数和(自身を除く): 57702004

約数列:

[1, 2, 4, 13, 26, 52, 977, 1279, 1954, 2558, 3908, 5116, 12701, 16627, 25402, 33254, 50804, 66508, 1249583, 2499166, 4998332, 16244579, 32489158, 64978316]

約数ペア:

[(1, 64978316), (2, 32489158), (4, 16244579), (13, 4998332), (26, 2499166), (52, 1249583), (977, 66508), (1279, 50804), (1954, 33254), (2558, 25402), (3908, 16627), (5116, 12701)]