252564325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2689}}^1$

素因数の和:2746

約数の個数: 36

約数和(自身を含む): 358410220

約数和(自身を除く): 105845895

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 289, 325, 425, 1105, 1445, 2689, 3757, 5525, 7225, 13445, 18785, 34957, 45713, 67225, 93925, 174785, 228565, 594269, 777121, 873925, 1142825, 2971345, 3885605, 10102573, 14856725, 19428025, 50512865, 252564325]

約数ペア:

[(1, 252564325), (5, 50512865), (13, 19428025), (17, 14856725), (25, 10102573), (65, 3885605), (85, 2971345), (221, 1142825), (289, 873925), (325, 777121), (425, 594269), (1105, 228565), (1445, 174785), (2689, 93925), (3757, 67225), (5525, 45713), (7225, 34957), (13445, 18785)]