1871940749

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{461}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 2253968640

約数和(自身を除く): 382027891

約数列:

[1, 7, 29, 83, 203, 241, 461, 581, 1687, 2407, 3227, 6989, 13369, 16849, 20003, 38263, 48923, 93583, 111101, 140021, 267841, 580087, 777707, 1109627, 3221929, 4060609, 7767389, 9221383, 22553503, 64549681, 267420107, 1871940749]

約数ペア:

[(1, 1871940749), (7, 267420107), (29, 64549681), (83, 22553503), (203, 9221383), (241, 7767389), (461, 4060609), (581, 3221929), (1687, 1109627), (2407, 777707), (3227, 580087), (6989, 267841), (13369, 140021), (16849, 111101), (20003, 93583), (38263, 48923)]