641330365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{147263}}^1$

素因数の和:147348

約数の個数: 16

約数和(自身を含む): 841171968

約数和(自身を除く): 199841603

約数列:

[1, 5, 13, 65, 67, 335, 871, 4355, 147263, 736315, 1914419, 9572095, 9866621, 49333105, 128266073, 641330365]

約数ペア:

[(1, 641330365), (5, 128266073), (13, 49333105), (65, 9866621), (67, 9572095), (335, 1914419), (871, 736315), (4355, 147263)]