191999975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4703}}^1$

素因数の和:4807

約数の個数: 24

約数和(自身を含む): 251983872

約数和(自身を除く): 59983897

約数列:

[1, 5, 23, 25, 71, 115, 355, 575, 1633, 1775, 4703, 8165, 23515, 40825, 108169, 117575, 333913, 540845, 1669565, 2704225, 7679999, 8347825, 38399995, 191999975]

約数ペア:

[(1, 191999975), (5, 38399995), (23, 8347825), (25, 7679999), (71, 2704225), (115, 1669565), (355, 540845), (575, 333913), (1633, 117575), (1775, 108169), (4703, 40825), (8165, 23515)]