81688364

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{2801}}^1$

素因数の和:3145

約数の個数: 24

約数和(自身を含む): 149694048

約数和(自身を除く): 68005684

約数列:

[1, 2, 4, 23, 46, 92, 317, 634, 1268, 2801, 5602, 7291, 11204, 14582, 29164, 64423, 128846, 257692, 887917, 1775834, 3551668, 20422091, 40844182, 81688364]

約数ペア:

[(1, 81688364), (2, 40844182), (4, 20422091), (23, 3551668), (46, 1775834), (92, 887917), (317, 257692), (634, 128846), (1268, 64423), (2801, 29164), (5602, 14582), (7291, 11204)]