642000541

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{3037}}^1$

素因数の和:3181

約数の個数: 32

約数和(自身を含む): 832946688

約数和(自身を除く): 190946147

約数列:

[1, 7, 13, 23, 91, 101, 161, 299, 707, 1313, 2093, 2323, 3037, 9191, 16261, 21259, 30199, 39481, 69851, 211393, 276367, 306737, 488957, 908063, 2147159, 3987581, 6356441, 7054951, 27913067, 49384657, 91714363, 642000541]

約数ペア:

[(1, 642000541), (7, 91714363), (13, 49384657), (23, 27913067), (91, 7054951), (101, 6356441), (161, 3987581), (299, 2147159), (707, 908063), (1313, 488957), (2093, 306737), (2323, 276367), (3037, 211393), (9191, 69851), (16261, 39481), (21259, 30199)]