31259710

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 58101120

約数和(自身を除く): 26841410

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 278, 430, 523, 695, 1046, 1390, 2615, 5230, 5977, 11954, 22489, 29885, 44978, 59770, 72697, 112445, 145394, 224890, 363485, 726970, 3125971, 6251942, 15629855, 31259710]

約数ペア:

[(1, 31259710), (2, 15629855), (5, 6251942), (10, 3125971), (43, 726970), (86, 363485), (139, 224890), (215, 145394), (278, 112445), (430, 72697), (523, 59770), (695, 44978), (1046, 29885), (1390, 22489), (2615, 11954), (5230, 5977)]