285984985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{399979}}^1$

素因数の和:400008

約数の個数: 16

約数和(自身を含む): 403179840

約数和(自身を除く): 117194855

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 399979, 1999895, 4399769, 5199727, 21998845, 25998635, 57196997, 285984985]

約数ペア:

[(1, 285984985), (5, 57196997), (11, 25998635), (13, 21998845), (55, 5199727), (65, 4399769), (143, 1999895), (715, 399979)]