289651856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1392557}}^1$

素因数の和:1392578

約数の個数: 20

約数和(自身を含む): 604370172

約数和(自身を除く): 314718316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1392557, 2785114, 5570228, 11140456, 18103241, 22280912, 36206482, 72412964, 144825928, 289651856]

約数ペア:

[(1, 289651856), (2, 144825928), (4, 72412964), (8, 36206482), (13, 22280912), (16, 18103241), (26, 11140456), (52, 5570228), (104, 2785114), (208, 1392557)]