80785378798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{20640107}}^1$

素因数の和:20640231

約数の個数: 16

約数和(自身を含む): 128794273920

約数和(自身を除く): 48008895122

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 20640107, 41280214, 392162033, 784324066, 2125931021, 4251862042, 40392689399, 80785378798]

約数ペア:

[(1, 80785378798), (2, 40392689399), (19, 4251862042), (38, 2125931021), (103, 784324066), (206, 392162033), (1957, 41280214), (3914, 20640107)]