201990415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{22531}}^1$

素因数の和:22710

約数の個数: 16

約数和(自身を含む): 266057856

約数和(自身を除く): 64067441

約数列:

[1, 5, 11, 55, 163, 815, 1793, 8965, 22531, 112655, 247841, 1239205, 3672553, 18362765, 40398083, 201990415]

約数ペア:

[(1, 201990415), (5, 40398083), (11, 18362765), (55, 3672553), (163, 1239205), (815, 247841), (1793, 112655), (8965, 22531)]