205193885

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{1747}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 268702560

約数和(自身を除く): 63508675

約数列:

[1, 5, 13, 65, 139, 169, 695, 845, 1747, 1807, 8735, 9035, 22711, 23491, 113555, 117455, 242833, 295243, 1214165, 1476215, 3156829, 15784145, 41038777, 205193885]

約数ペア:

[(1, 205193885), (5, 41038777), (13, 15784145), (65, 3156829), (139, 1476215), (169, 1214165), (695, 295243), (845, 242833), (1747, 117455), (1807, 113555), (8735, 23491), (9035, 22711)]