27978748

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16381}}^1$

素因数の和:16453

約数の個数: 24

約数和(自身を含む): 56878304

約数和(自身を除く): 28899556

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 16381, 32762, 65524, 114667, 229334, 458668, 999241, 1998482, 3996964, 6994687, 13989374, 27978748]

約数ペア:

[(1, 27978748), (2, 13989374), (4, 6994687), (7, 3996964), (14, 1998482), (28, 999241), (61, 458668), (122, 229334), (244, 114667), (427, 65524), (854, 32762), (1708, 16381)]