81607072

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2239}}^1$

素因数の和:2333

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 91123808

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 67, 68, 134, 136, 268, 272, 536, 544, 1072, 1139, 2144, 2239, 2278, 4478, 4556, 8956, 9112, 17912, 18224, 35824, 36448, 38063, 71648, 76126, 150013, 152252, 300026, 304504, 600052, 609008, 1200104, 1218016, 2400208, 2550221, 4800416, 5100442, 10200884, 20401768, 40803536, 81607072]

約数ペア:

[(1, 81607072), (2, 40803536), (4, 20401768), (8, 10200884), (16, 5100442), (17, 4800416), (32, 2550221), (34, 2400208), (67, 1218016), (68, 1200104), (134, 609008), (136, 600052), (268, 304504), (272, 300026), (536, 152252), (544, 150013), (1072, 76126), (1139, 71648), (2144, 38063), (2239, 36448), (2278, 35824), (4478, 18224), (4556, 17912), (8956, 9112)]