1980365

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 16

約数和(自身を含む): 2487936

約数和(自身を除く): 507571

約数列:

[1, 5, 43, 61, 151, 215, 305, 755, 2623, 6493, 9211, 13115, 32465, 46055, 396073, 1980365]

約数ペア:

[(1, 1980365), (5, 396073), (43, 46055), (61, 32465), (151, 13115), (215, 9211), (305, 6493), (755, 2623)]