25387145

素因数分解:

$5^1\times 7^3\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 10728055

約数列:

[1, 5, 7, 35, 49, 113, 131, 245, 343, 565, 655, 791, 917, 1715, 3955, 4585, 5537, 6419, 14803, 27685, 32095, 38759, 44933, 74015, 103621, 193795, 224665, 518105, 725347, 3626735, 5077429, 25387145]

約数ペア:

[(1, 25387145), (5, 5077429), (7, 3626735), (35, 725347), (49, 518105), (113, 224665), (131, 193795), (245, 103621), (343, 74015), (565, 44933), (655, 38759), (791, 32095), (917, 27685), (1715, 14803), (3955, 6419), (4585, 5537)]