28680756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1627}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 72752064

約数和(自身を除く): 44071308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 113, 156, 226, 339, 452, 678, 1356, 1469, 1627, 2938, 3254, 4407, 4881, 5876, 6508, 8814, 9762, 17628, 19524, 21151, 42302, 63453, 84604, 126906, 183851, 253812, 367702, 551553, 735404, 1103106, 2206212, 2390063, 4780126, 7170189, 9560252, 14340378, 28680756]

約数ペア:

[(1, 28680756), (2, 14340378), (3, 9560252), (4, 7170189), (6, 4780126), (12, 2390063), (13, 2206212), (26, 1103106), (39, 735404), (52, 551553), (78, 367702), (113, 253812), (156, 183851), (226, 126906), (339, 84604), (452, 63453), (678, 42302), (1356, 21151), (1469, 19524), (1627, 17628), (2938, 9762), (3254, 8814), (4407, 6508), (4881, 5876)]