31009135

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:650

約数の個数: 16

約数和(自身を含む): 37908000

約数和(自身を除く): 6898865

約数列:

[1, 5, 107, 149, 389, 535, 745, 1945, 15943, 41623, 57961, 79715, 208115, 289805, 6201827, 31009135]

約数ペア:

[(1, 31009135), (5, 6201827), (107, 289805), (149, 208115), (389, 79715), (535, 57961), (745, 41623), (1945, 15943)]