90993805

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 129153024

約数和(自身を除く): 38159219

約数列:

[1, 5, 7, 35, 43, 103, 215, 301, 515, 587, 721, 1505, 2935, 3605, 4109, 4429, 20545, 22145, 25241, 31003, 60461, 126205, 155015, 176687, 302305, 423227, 883435, 2116135, 2599823, 12999115, 18198761, 90993805]

約数ペア:

[(1, 90993805), (5, 18198761), (7, 12999115), (35, 2599823), (43, 2116135), (103, 883435), (215, 423227), (301, 302305), (515, 176687), (587, 155015), (721, 126205), (1505, 60461), (2935, 31003), (3605, 25241), (4109, 22145), (4429, 20545)]