56275525

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{7789}}^1$

素因数の和:7833

約数の個数: 18

約数和(自身を含む): 74137430

約数和(自身を除く): 17861905

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 7225, 7789, 38945, 132413, 194725, 662065, 2251021, 3310325, 11255105, 56275525]

約数ペア:

[(1, 56275525), (5, 11255105), (17, 3310325), (25, 2251021), (85, 662065), (289, 194725), (425, 132413), (1445, 38945), (7225, 7789)]