178840038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1061}}^1\times {\mathrm{2161}}^1$

素因数の和:3240

約数の個数: 32

約数和(自身を含む): 385735392

約数和(自身を除く): 206895354

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1061, 2122, 2161, 3183, 4322, 6366, 6483, 12966, 13793, 27586, 28093, 41379, 56186, 82758, 84279, 168558, 2292821, 4585642, 6878463, 13756926, 29806673, 59613346, 89420019, 178840038]

約数ペア:

[(1, 178840038), (2, 89420019), (3, 59613346), (6, 29806673), (13, 13756926), (26, 6878463), (39, 4585642), (78, 2292821), (1061, 168558), (2122, 84279), (2161, 82758), (3183, 56186), (4322, 41379), (6366, 28093), (6483, 27586), (12966, 13793)]