25375805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 38379264

約数和(自身を除く): 13003459

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1297, 1505, 2795, 3913, 6485, 9079, 16861, 19565, 45395, 55771, 84305, 118027, 278855, 390397, 590135, 725023, 1951985, 3625115, 5075161, 25375805]

約数ペア:

[(1, 25375805), (5, 5075161), (7, 3625115), (13, 1951985), (35, 725023), (43, 590135), (65, 390397), (91, 278855), (215, 118027), (301, 84305), (455, 55771), (559, 45395), (1297, 19565), (1505, 16861), (2795, 9079), (3913, 6485)]