13438525

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 17302464

約数和(自身を除く): 3863939

約数列:

[1, 5, 25, 67, 71, 113, 335, 355, 565, 1675, 1775, 2825, 4757, 7571, 8023, 23785, 37855, 40115, 118925, 189275, 200575, 537541, 2687705, 13438525]

約数ペア:

[(1, 13438525), (5, 2687705), (25, 537541), (67, 200575), (71, 189275), (113, 118925), (335, 40115), (355, 37855), (565, 23785), (1675, 8023), (1775, 7571), (2825, 4757)]