51217208

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 114616320

約数和(自身を除く): 63399112

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 163, 181, 217, 248, 326, 362, 434, 652, 724, 868, 1141, 1267, 1304, 1448, 1736, 2282, 2534, 4564, 5053, 5068, 5611, 9128, 10106, 10136, 11222, 20212, 22444, 29503, 35371, 39277, 40424, 44888, 59006, 70742, 78554, 118012, 141484, 157108, 206521, 236024, 282968, 314216, 413042, 826084, 914593, 1652168, 1829186, 3658372, 6402151, 7316744, 12804302, 25608604, 51217208]

約数ペア:

[(1, 51217208), (2, 25608604), (4, 12804302), (7, 7316744), (8, 6402151), (14, 3658372), (28, 1829186), (31, 1652168), (56, 914593), (62, 826084), (124, 413042), (163, 314216), (181, 282968), (217, 236024), (248, 206521), (326, 157108), (362, 141484), (434, 118012), (652, 78554), (724, 70742), (868, 59006), (1141, 44888), (1267, 40424), (1304, 39277), (1448, 35371), (1736, 29503), (2282, 22444), (2534, 20212), (4564, 11222), (5053, 10136), (5068, 10106), (5611, 9128)]