28586670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 78921216

約数和(自身を除く): 50334546

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 197, 210, 394, 591, 691, 985, 1182, 1379, 1382, 1970, 2073, 2758, 2955, 3455, 4137, 4146, 4837, 5910, 6895, 6910, 8274, 9674, 10365, 13790, 14511, 20685, 20730, 24185, 29022, 41370, 48370, 72555, 136127, 145110, 272254, 408381, 680635, 816762, 952889, 1361270, 1905778, 2041905, 2858667, 4083810, 4764445, 5717334, 9528890, 14293335, 28586670]

約数ペア:

[(1, 28586670), (2, 14293335), (3, 9528890), (5, 5717334), (6, 4764445), (7, 4083810), (10, 2858667), (14, 2041905), (15, 1905778), (21, 1361270), (30, 952889), (35, 816762), (42, 680635), (70, 408381), (105, 272254), (197, 145110), (210, 136127), (394, 72555), (591, 48370), (691, 41370), (985, 29022), (1182, 24185), (1379, 20730), (1382, 20685), (1970, 14511), (2073, 13790), (2758, 10365), (2955, 9674), (3455, 8274), (4137, 6910), (4146, 6895), (4837, 5910)]