531908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 1026648

約数和(自身を除く): 494740

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 193, 212, 386, 689, 772, 1378, 2509, 2756, 5018, 10036, 10229, 20458, 40916, 132977, 265954, 531908]

約数ペア:

[(1, 531908), (2, 265954), (4, 132977), (13, 40916), (26, 20458), (52, 10229), (53, 10036), (106, 5018), (193, 2756), (212, 2509), (386, 1378), (689, 772)]