1974995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 2613600

約数和(自身を除く): 638605

約数列:

[1, 5, 11, 55, 149, 241, 745, 1205, 1639, 2651, 8195, 13255, 35909, 179545, 394999, 1974995]

約数ペア:

[(1, 1974995), (5, 394999), (11, 179545), (55, 35909), (149, 13255), (241, 8195), (745, 2651), (1205, 1639)]