90419368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20219}}^1$

素因数の和:20281

約数の個数: 32

約数和(自身を含む): 186832800

約数和(自身を除く): 96413432

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 20219, 40438, 80876, 161752, 262847, 525694, 869417, 1051388, 1738834, 2102776, 3477668, 6955336, 11302421, 22604842, 45209684, 90419368]

約数ペア:

[(1, 90419368), (2, 45209684), (4, 22604842), (8, 11302421), (13, 6955336), (26, 3477668), (43, 2102776), (52, 1738834), (86, 1051388), (104, 869417), (172, 525694), (344, 262847), (559, 161752), (1118, 80876), (2236, 40438), (4472, 20219)]