30691856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{147557}}^1$

素因数の和:147578

約数の個数: 20

約数和(自身を含む): 64040172

約数和(自身を除く): 33348316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 147557, 295114, 590228, 1180456, 1918241, 2360912, 3836482, 7672964, 15345928, 30691856]

約数ペア:

[(1, 30691856), (2, 15345928), (4, 7672964), (8, 3836482), (13, 2360912), (16, 1918241), (26, 1180456), (52, 590228), (104, 295114), (208, 147557)]