987856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{2129}}^1$

素因数の和:2166

約数の個数: 20

約数和(自身を含む): 1980900

約数和(自身を除く): 993044

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 2129, 4258, 8516, 17032, 34064, 61741, 123482, 246964, 493928, 987856]

約数ペア:

[(1, 987856), (2, 493928), (4, 246964), (8, 123482), (16, 61741), (29, 34064), (58, 17032), (116, 8516), (232, 4258), (464, 2129)]