28871172

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{72907}}^1$

素因数の和:72928

約数の個数: 36

約数和(自身を含む): 79615536

約数和(自身を除く): 50744364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 72907, 145814, 218721, 291628, 437442, 656163, 801977, 874884, 1312326, 1603954, 2405931, 2624652, 3207908, 4811862, 7217793, 9623724, 14435586, 28871172]

約数ペア:

[(1, 28871172), (2, 14435586), (3, 9623724), (4, 7217793), (6, 4811862), (9, 3207908), (11, 2624652), (12, 2405931), (18, 1603954), (22, 1312326), (33, 874884), (36, 801977), (44, 656163), (66, 437442), (99, 291628), (132, 218721), (198, 145814), (396, 72907)]