28120806

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31883}}^1$

素因数の和:31905

約数の個数: 36

約数和(自身を含む): 70878132

約数和(自身を除く): 42757326

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 31883, 63766, 95649, 191298, 223181, 286947, 446362, 573894, 669543, 1339086, 1562267, 2008629, 3124534, 4017258, 4686801, 9373602, 14060403, 28120806]

約数ペア:

[(1, 28120806), (2, 14060403), (3, 9373602), (6, 4686801), (7, 4017258), (9, 3124534), (14, 2008629), (18, 1562267), (21, 1339086), (42, 669543), (49, 573894), (63, 446362), (98, 286947), (126, 223181), (147, 191298), (294, 95649), (441, 63766), (882, 31883)]