81361776

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{10399}}^1$

素因数の和:10573

約数の個数: 40

約数和(自身を含む): 211494400

約数和(自身を除く): 130132624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 3912, 7824, 10399, 20798, 31197, 41596, 62394, 83192, 124788, 166384, 249576, 499152, 1695037, 3390074, 5085111, 6780148, 10170222, 13560296, 20340444, 27120592, 40680888, 81361776]

約数ペア:

[(1, 81361776), (2, 40680888), (3, 27120592), (4, 20340444), (6, 13560296), (8, 10170222), (12, 6780148), (16, 5085111), (24, 3390074), (48, 1695037), (163, 499152), (326, 249576), (489, 166384), (652, 124788), (978, 83192), (1304, 62394), (1956, 41596), (2608, 31197), (3912, 20798), (7824, 10399)]