281139716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{491503}}^1$

素因数の和:491531

約数の個数: 24

約数和(自身を含む): 578008704

約数和(自身を除く): 296868988

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 491503, 983006, 1966012, 5406533, 6389539, 10813066, 12779078, 21626132, 25558156, 70284929, 140569858, 281139716]

約数ペア:

[(1, 281139716), (2, 140569858), (4, 70284929), (11, 25558156), (13, 21626132), (22, 12779078), (26, 10813066), (44, 6389539), (52, 5406533), (143, 1966012), (286, 983006), (572, 491503)]