72991807

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{859}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 85312000

約数和(自身を除く): 12320193

約数列:

[1, 7, 61, 199, 427, 859, 1393, 6013, 12139, 52399, 84973, 170941, 366793, 1196587, 10427401, 72991807]

約数ペア:

[(1, 72991807), (7, 10427401), (61, 1196587), (199, 366793), (427, 170941), (859, 84973), (1393, 52399), (6013, 12139)]