187500865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^2\times {\mathrm{227}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 236521728

約数和(自身を除く): 49020863

約数列:

[1, 5, 31, 73, 155, 227, 365, 1135, 2263, 5329, 7037, 11315, 16571, 26645, 35185, 82855, 165199, 513701, 825995, 1209683, 2568505, 6048415, 37500173, 187500865]

約数ペア:

[(1, 187500865), (5, 37500173), (31, 6048415), (73, 2568505), (155, 1209683), (227, 825995), (365, 513701), (1135, 165199), (2263, 82855), (5329, 35185), (7037, 26645), (11315, 16571)]