81385332

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2207}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 217620480

約数和(自身を除く): 136235148

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 439, 878, 1317, 1756, 2207, 2634, 3073, 4414, 5268, 6146, 6621, 8828, 9219, 12292, 13242, 15449, 18438, 26484, 30898, 36876, 46347, 61796, 92694, 185388, 968873, 1937746, 2906619, 3875492, 5813238, 6782111, 11626476, 13564222, 20346333, 27128444, 40692666, 81385332]

約数ペア:

[(1, 81385332), (2, 40692666), (3, 27128444), (4, 20346333), (6, 13564222), (7, 11626476), (12, 6782111), (14, 5813238), (21, 3875492), (28, 2906619), (42, 1937746), (84, 968873), (439, 185388), (878, 92694), (1317, 61796), (1756, 46347), (2207, 36876), (2634, 30898), (3073, 26484), (4414, 18438), (5268, 15449), (6146, 13242), (6621, 12292), (8828, 9219)]