256880015

素因数分解:

$5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{19163}}^1$

素因数の和:19558

約数の個数: 16

約数和(自身を含む): 353230848

約数和(自身を除く): 96350833

約数列:

[1, 5, 7, 35, 383, 1915, 2681, 13405, 19163, 95815, 134141, 670705, 7339429, 36697145, 51376003, 256880015]

約数ペア:

[(1, 256880015), (5, 51376003), (7, 36697145), (35, 7339429), (383, 670705), (1915, 134141), (2681, 95815), (13405, 19163)]