202181755

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 262483200

約数和(自身を除く): 60301445

約数列:

[1, 5, 19, 61, 95, 139, 251, 305, 695, 1159, 1255, 2641, 4769, 5795, 8479, 13205, 15311, 23845, 34889, 42395, 76555, 161101, 174445, 290909, 662891, 805505, 1454545, 2128229, 3314455, 10641145, 40436351, 202181755]

約数ペア:

[(1, 202181755), (5, 40436351), (19, 10641145), (61, 3314455), (95, 2128229), (139, 1454545), (251, 805505), (305, 662891), (695, 290909), (1159, 174445), (1255, 161101), (2641, 76555), (4769, 42395), (5795, 34889), (8479, 23845), (13205, 15311)]