12180175

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 17966856

約数和(自身を除く): 5786681

約数列:

[1, 5, 7, 25, 35, 49, 61, 163, 175, 245, 305, 427, 815, 1141, 1225, 1525, 2135, 2989, 4075, 5705, 7987, 9943, 10675, 14945, 28525, 39935, 49715, 69601, 74725, 199675, 248575, 348005, 487207, 1740025, 2436035, 12180175]

約数ペア:

[(1, 12180175), (5, 2436035), (7, 1740025), (25, 487207), (35, 348005), (49, 248575), (61, 199675), (163, 74725), (175, 69601), (245, 49715), (305, 39935), (427, 28525), (815, 14945), (1141, 10675), (1225, 9943), (1525, 7987), (2135, 5705), (2989, 4075)]