490631285

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1853

約数の個数: 32

約数和(自身を含む): 640749312

約数和(自身を除く): 150118027

約数列:

[1, 5, 23, 37, 67, 115, 185, 335, 851, 1541, 1721, 2479, 4255, 7705, 8605, 12395, 39583, 57017, 63677, 115307, 197915, 285085, 318385, 576535, 1464571, 2652061, 4266359, 7322855, 13260305, 21331795, 98126257, 490631285]

約数ペア:

[(1, 490631285), (5, 98126257), (23, 21331795), (37, 13260305), (67, 7322855), (115, 4266359), (185, 2652061), (335, 1464571), (851, 576535), (1541, 318385), (1721, 285085), (2479, 197915), (4255, 115307), (7705, 63677), (8605, 57017), (12395, 39583)]