201498025

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{167}}^2$

素因数の和:378

約数の個数: 27

約数和(自身を含む): 267018469

約数和(自身を除く): 65520444

約数列:

[1, 5, 17, 25, 85, 167, 289, 425, 835, 1445, 2839, 4175, 7225, 14195, 27889, 48263, 70975, 139445, 241315, 474113, 697225, 1206575, 2370565, 8059921, 11852825, 40299605, 201498025]

約数ペア:

[(1, 201498025), (5, 40299605), (17, 11852825), (25, 8059921), (85, 2370565), (167, 1206575), (289, 697225), (425, 474113), (835, 241315), (1445, 139445), (2839, 70975), (4175, 48263), (7225, 27889)]