158259925

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 201033512

約数和(自身を除く): 42773587

約数列:

[1, 5, 25, 61, 157, 305, 661, 785, 1525, 3305, 3925, 9577, 16525, 40321, 47885, 103777, 201605, 239425, 518885, 1008025, 2594425, 6330397, 31651985, 158259925]

約数ペア:

[(1, 158259925), (5, 31651985), (25, 6330397), (61, 2594425), (157, 1008025), (305, 518885), (661, 239425), (785, 201605), (1525, 103777), (3305, 47885), (3925, 40321), (9577, 16525)]