28931408

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1847}}^1$

素因数の和:1955

約数の個数: 40

約数和(自身を含む): 61871040

約数和(自身を除く): 32939632

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1847, 1958, 3694, 3916, 7388, 7832, 14776, 15664, 20317, 29552, 40634, 81268, 162536, 164383, 325072, 328766, 657532, 1315064, 1808213, 2630128, 3616426, 7232852, 14465704, 28931408]

約数ペア:

[(1, 28931408), (2, 14465704), (4, 7232852), (8, 3616426), (11, 2630128), (16, 1808213), (22, 1315064), (44, 657532), (88, 328766), (89, 325072), (176, 164383), (178, 162536), (356, 81268), (712, 40634), (979, 29552), (1424, 20317), (1847, 15664), (1958, 14776), (3694, 7832), (3916, 7388)]