257521251

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{34213}}^1$

素因数の和:34422

約数の個数: 16

約数和(自身を含む): 371700896

約数和(自身を除く): 114179645

約数列:

[1, 3, 13, 39, 193, 579, 2509, 7527, 34213, 102639, 444769, 1334307, 6603109, 19809327, 85840417, 257521251]

約数ペア:

[(1, 257521251), (3, 85840417), (13, 19809327), (39, 6603109), (193, 1334307), (579, 444769), (2509, 102639), (7527, 34213)]