257531292

素因数分解:

$2^2\times 3^3\times {\mathrm{631}}^1\times {\mathrm{3779}}^1$

素因数の和:4423

約数の個数: 48

約数和(自身を含む): 668908800

約数和(自身を除く): 411377508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 631, 1262, 1893, 2524, 3779, 3786, 5679, 7558, 7572, 11337, 11358, 15116, 17037, 22674, 22716, 34011, 34074, 45348, 68022, 68148, 102033, 136044, 204066, 408132, 2384549, 4769098, 7153647, 9538196, 14307294, 21460941, 28614588, 42921882, 64382823, 85843764, 128765646, 257531292]

約数ペア:

[(1, 257531292), (2, 128765646), (3, 85843764), (4, 64382823), (6, 42921882), (9, 28614588), (12, 21460941), (18, 14307294), (27, 9538196), (36, 7153647), (54, 4769098), (108, 2384549), (631, 408132), (1262, 204066), (1893, 136044), (2524, 102033), (3779, 68148), (3786, 68022), (5679, 45348), (7558, 34074), (7572, 34011), (11337, 22716), (11358, 22674), (15116, 17037)]