28284428

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 51123072

約数和(自身を除く): 22838644

約数列:

[1, 2, 4, 37, 74, 148, 223, 446, 857, 892, 1714, 3428, 8251, 16502, 31709, 33004, 63418, 126836, 191111, 382222, 764444, 7071107, 14142214, 28284428]

約数ペア:

[(1, 28284428), (2, 14142214), (4, 7071107), (37, 764444), (74, 382222), (148, 191111), (223, 126836), (446, 63418), (857, 33004), (892, 31709), (1714, 16502), (3428, 8251)]