139279505

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{709}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 169462800

約数和(自身を除く): 30183295

約数列:

[1, 5, 101, 389, 505, 709, 1945, 3545, 39289, 71609, 196445, 275801, 358045, 1379005, 27855901, 139279505]

約数ペア:

[(1, 139279505), (5, 27855901), (101, 1379005), (389, 358045), (505, 275801), (709, 196445), (1945, 71609), (3545, 39289)]