258301855

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 360981504

約数和(自身を除く): 102679649

約数列:

[1, 5, 7, 35, 103, 137, 515, 523, 685, 721, 959, 2615, 3605, 3661, 4795, 14111, 18305, 53869, 70555, 71651, 98777, 269345, 358255, 377083, 493885, 501557, 1885415, 2507785, 7380053, 36900265, 51660371, 258301855]

約数ペア:

[(1, 258301855), (5, 51660371), (7, 36900265), (35, 7380053), (103, 2507785), (137, 1885415), (515, 501557), (523, 493885), (685, 377083), (721, 358255), (959, 269345), (2615, 98777), (3605, 71651), (3661, 70555), (4795, 53869), (14111, 18305)]