205657109996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{15901}}^1\times {\mathrm{248723}}^1$

素因数の和:264641

約数の個数: 24

約数和(自身を含む): 387610486704

約数和(自身を除く): 181953376708

約数列:

[1, 2, 4, 13, 26, 52, 15901, 31802, 63604, 206713, 248723, 413426, 497446, 826852, 994892, 3233399, 6466798, 12933596, 3954944423, 7909888846, 15819777692, 51414277499, 102828554998, 205657109996]

約数ペア:

[(1, 205657109996), (2, 102828554998), (4, 51414277499), (13, 15819777692), (26, 7909888846), (52, 3954944423), (15901, 12933596), (31802, 6466798), (63604, 3233399), (206713, 994892), (248723, 826852), (413426, 497446)]