71220848

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{19961}}^1$

素因数の和:20192

約数の個数: 20

約数和(自身を含む): 138616128

約数和(自身を除く): 67395280

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 19961, 39922, 79844, 159688, 319376, 4451303, 8902606, 17805212, 35610424, 71220848]

約数ペア:

[(1, 71220848), (2, 35610424), (4, 17805212), (8, 8902606), (16, 4451303), (223, 319376), (446, 159688), (892, 79844), (1784, 39922), (3568, 19961)]