221078975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1571}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 296095632

約数和(自身を除く): 75016657

約数列:

[1, 5, 13, 25, 65, 325, 433, 1571, 2165, 5629, 7855, 10825, 20423, 28145, 39275, 102115, 140725, 510575, 680243, 3401215, 8843159, 17006075, 44215795, 221078975]

約数ペア:

[(1, 221078975), (5, 44215795), (13, 17006075), (25, 8843159), (65, 3401215), (325, 680243), (433, 510575), (1571, 140725), (2165, 102115), (5629, 39275), (7855, 28145), (10825, 20423)]