39159475

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{4339}}^1$

素因数の和:4387

約数の個数: 18

約数和(自身を含む): 51259740

約数和(自身を除く): 12100265

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 4339, 9025, 21695, 82441, 108475, 412205, 1566379, 2061025, 7831895, 39159475]

約数ペア:

[(1, 39159475), (5, 7831895), (19, 2061025), (25, 1566379), (95, 412205), (361, 108475), (475, 82441), (1805, 21695), (4339, 9025)]