204037505

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1\times {\mathrm{491}}^1$

素因数の和:917

約数の個数: 32

約数和(自身を含む): 290193408

約数和(自身を除く): 86155903

約数列:

[1, 5, 7, 31, 35, 155, 217, 383, 491, 1085, 1915, 2455, 2681, 3437, 11873, 13405, 15221, 17185, 59365, 76105, 83111, 106547, 188053, 415555, 532735, 940265, 1316371, 5829643, 6581855, 29148215, 40807501, 204037505]

約数ペア:

[(1, 204037505), (5, 40807501), (7, 29148215), (31, 6581855), (35, 5829643), (155, 1316371), (217, 940265), (383, 532735), (491, 415555), (1085, 188053), (1915, 106547), (2455, 83111), (2681, 76105), (3437, 59365), (11873, 17185), (13405, 15221)]