64957505

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2168

約数の個数: 16

約数和(自身を含む): 79968000

約数和(自身を除く): 15010495

約数列:

[1, 5, 67, 97, 335, 485, 1999, 6499, 9995, 32495, 133933, 193903, 669665, 969515, 12991501, 64957505]

約数ペア:

[(1, 64957505), (5, 12991501), (67, 969515), (97, 669665), (335, 193903), (485, 133933), (1999, 32495), (6499, 9995)]