268121330

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{195709}}^1$

素因数の和:195853

約数の個数: 16

約数和(自身を含む): 486143640

約数和(自身を除く): 218022310

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 195709, 391418, 978545, 1957090, 26812133, 53624266, 134060665, 268121330]

約数ペア:

[(1, 268121330), (2, 134060665), (5, 53624266), (10, 26812133), (137, 1957090), (274, 978545), (685, 391418), (1370, 195709)]