180321728

素因数分解:

$2^6\times {\mathrm{389}}^1\times {\mathrm{7243}}^1$

素因数の和:7644

約数の個数: 28

約数和(自身を含む): 358795320

約数和(自身を除く): 178473592

約数列:

[1, 2, 4, 8, 16, 32, 64, 389, 778, 1556, 3112, 6224, 7243, 12448, 14486, 24896, 28972, 57944, 115888, 231776, 463552, 2817527, 5635054, 11270108, 22540216, 45080432, 90160864, 180321728]

約数ペア:

[(1, 180321728), (2, 90160864), (4, 45080432), (8, 22540216), (16, 11270108), (32, 5635054), (64, 2817527), (389, 463552), (778, 231776), (1556, 115888), (3112, 57944), (6224, 28972), (7243, 24896), (12448, 14486)]