261631105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{12263}}^1$

素因数の和:12536

約数の個数: 16

約数和(自身を含む): 333777024

約数和(自身を除く): 72145919

約数列:

[1, 5, 17, 85, 251, 1255, 4267, 12263, 21335, 61315, 208471, 1042355, 3078013, 15390065, 52326221, 261631105]

約数ペア:

[(1, 261631105), (5, 52326221), (17, 15390065), (85, 3078013), (251, 1042355), (1255, 208471), (4267, 61315), (12263, 21335)]