28630872

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20929}}^1$

素因数の和:20960

約数の個数: 48

約数和(自身を含む): 81627000

約数和(自身を除く): 52996128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 20929, 41858, 62787, 83716, 125574, 167432, 188361, 251148, 376722, 397651, 502296, 753444, 795302, 1192953, 1506888, 1590604, 2385906, 3181208, 3578859, 4771812, 7157718, 9543624, 14315436, 28630872]

約数ペア:

[(1, 28630872), (2, 14315436), (3, 9543624), (4, 7157718), (6, 4771812), (8, 3578859), (9, 3181208), (12, 2385906), (18, 1590604), (19, 1506888), (24, 1192953), (36, 795302), (38, 753444), (57, 502296), (72, 397651), (76, 376722), (114, 251148), (152, 188361), (171, 167432), (228, 125574), (342, 83716), (456, 62787), (684, 41858), (1368, 20929)]