989339915

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{64811}}^1$

素因数の和:64930

約数の個数: 16

約数和(自身を含む): 1231946496

約数和(自身を除く): 242606581

約数列:

[1, 5, 43, 71, 215, 355, 3053, 15265, 64811, 324055, 2786873, 4601581, 13934365, 23007905, 197867983, 989339915]

約数ペア:

[(1, 989339915), (5, 197867983), (43, 23007905), (71, 13934365), (215, 4601581), (355, 2786873), (3053, 324055), (15265, 64811)]