81657190

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 149713920

約数和(自身を除く): 68056730

約数列:

[1, 2, 5, 10, 113, 127, 226, 254, 565, 569, 635, 1130, 1138, 1270, 2845, 5690, 14351, 28702, 64297, 71755, 72263, 128594, 143510, 144526, 321485, 361315, 642970, 722630, 8165719, 16331438, 40828595, 81657190]

約数ペア:

[(1, 81657190), (2, 40828595), (5, 16331438), (10, 8165719), (113, 722630), (127, 642970), (226, 361315), (254, 321485), (565, 144526), (569, 143510), (635, 128594), (1130, 72263), (1138, 71755), (1270, 64297), (2845, 28702), (5690, 14351)]