81477662

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1951}}^1$

素因数の和:2136

約数の個数: 32

約数和(自身を含む): 148039680

約数和(自身を除く): 66562018

約数列:

[1, 2, 7, 14, 19, 38, 133, 157, 266, 314, 1099, 1951, 2198, 2983, 3902, 5966, 13657, 20881, 27314, 37069, 41762, 74138, 259483, 306307, 518966, 612614, 2144149, 4288298, 5819833, 11639666, 40738831, 81477662]

約数ペア:

[(1, 81477662), (2, 40738831), (7, 11639666), (14, 5819833), (19, 4288298), (38, 2144149), (133, 612614), (157, 518966), (266, 306307), (314, 259483), (1099, 74138), (1951, 41762), (2198, 37069), (2983, 27314), (3902, 20881), (5966, 13657)]