28720758

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3851}}^1$

素因数の和:3980

約数の個数: 32

約数和(自身を含む): 63234432

約数和(自身を除く): 34513674

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 113, 226, 339, 678, 1243, 2486, 3729, 3851, 7458, 7702, 11553, 23106, 42361, 84722, 127083, 254166, 435163, 870326, 1305489, 2610978, 4786793, 9573586, 14360379, 28720758]

約数ペア:

[(1, 28720758), (2, 14360379), (3, 9573586), (6, 4786793), (11, 2610978), (22, 1305489), (33, 870326), (66, 435163), (113, 254166), (226, 127083), (339, 84722), (678, 42361), (1243, 23106), (2486, 11553), (3729, 7702), (3851, 7458)]