205128028

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{385579}}^1$

素因数の和:385609

約数の個数: 24

約数和(自身を含む): 431849600

約数和(自身を除く): 226721572

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 385579, 771158, 1542316, 2699053, 5398106, 7326001, 10796212, 14652002, 29304004, 51282007, 102564014, 205128028]

約数ペア:

[(1, 205128028), (2, 102564014), (4, 51282007), (7, 29304004), (14, 14652002), (19, 10796212), (28, 7326001), (38, 5398106), (76, 2699053), (133, 1542316), (266, 771158), (532, 385579)]