78398820005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{3541}}^1\times {\mathrm{402551}}^1$

素因数の和:406108

約数の個数: 16

約数和(自身を含む): 102660421248

約数和(自身を除く): 24261601243

約数列:

[1, 5, 11, 55, 3541, 17705, 38951, 194755, 402551, 2012755, 4428061, 22140305, 1425433091, 7127165455, 15679764001, 78398820005]

約数ペア:

[(1, 78398820005), (5, 15679764001), (11, 7127165455), (55, 1425433091), (3541, 22140305), (17705, 4428061), (38951, 2012755), (194755, 402551)]