7403890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{337}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 14479920

約数和(自身を除く): 7076030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 337, 338, 674, 845, 1685, 1690, 2197, 3370, 4381, 4394, 8762, 10985, 21905, 21970, 43810, 56953, 113906, 284765, 569530, 740389, 1480778, 3701945, 7403890]

約数ペア:

[(1, 7403890), (2, 3701945), (5, 1480778), (10, 740389), (13, 569530), (26, 284765), (65, 113906), (130, 56953), (169, 43810), (337, 21970), (338, 21905), (674, 10985), (845, 8762), (1685, 4394), (1690, 4381), (2197, 3370)]