17204225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 22379520

約数和(自身を除く): 5175295

約数列:

[1, 5, 25, 31, 79, 155, 281, 395, 775, 1405, 1975, 2449, 7025, 8711, 12245, 22199, 43555, 61225, 110995, 217775, 554975, 688169, 3440845, 17204225]

約数ペア:

[(1, 17204225), (5, 3440845), (25, 688169), (31, 554975), (79, 217775), (155, 110995), (281, 61225), (395, 43555), (775, 22199), (1405, 12245), (1975, 8711), (2449, 7025)]