28857542

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 52481280

約数和(自身を除く): 23623738

約数列:

[1, 2, 7, 14, 19, 38, 133, 157, 266, 314, 691, 1099, 1382, 2198, 2983, 4837, 5966, 9674, 13129, 20881, 26258, 41762, 91903, 108487, 183806, 216974, 759409, 1518818, 2061253, 4122506, 14428771, 28857542]

約数ペア:

[(1, 28857542), (2, 14428771), (7, 4122506), (14, 2061253), (19, 1518818), (38, 759409), (133, 216974), (157, 183806), (266, 108487), (314, 91903), (691, 41762), (1099, 26258), (1382, 20881), (2198, 13129), (2983, 9674), (4837, 5966)]