258806275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113761}}^1$

素因数の和:113791

約数の個数: 24

約数和(自身を含む): 394981664

約数和(自身を除く): 136175389

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 113761, 568805, 796327, 1478893, 2844025, 3981635, 7394465, 10352251, 19908175, 36972325, 51761255, 258806275]

約数ペア:

[(1, 258806275), (5, 51761255), (7, 36972325), (13, 19908175), (25, 10352251), (35, 7394465), (65, 3981635), (91, 2844025), (175, 1478893), (325, 796327), (455, 568805), (2275, 113761)]