28261926

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{971}}^1$

素因数の和:1007

約数の個数: 96

約数和(自身を含む): 79781760

約数和(自身を除く): 51519834

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 49, 54, 63, 66, 77, 98, 99, 126, 147, 154, 189, 198, 231, 294, 297, 378, 441, 462, 539, 594, 693, 882, 971, 1078, 1323, 1386, 1617, 1942, 2079, 2646, 2913, 3234, 4158, 4851, 5826, 6797, 8739, 9702, 10681, 13594, 14553, 17478, 20391, 21362, 26217, 29106, 32043, 40782, 47579, 52434, 61173, 64086, 74767, 95158, 96129, 122346, 142737, 149534, 183519, 192258, 224301, 285474, 288387, 367038, 428211, 448602, 523369, 576774, 672903, 856422, 1046738, 1284633, 1345806, 1570107, 2018709, 2569266, 3140214, 4037418, 4710321, 9420642, 14130963, 28261926]

約数ペア:

[(1, 28261926), (2, 14130963), (3, 9420642), (6, 4710321), (7, 4037418), (9, 3140214), (11, 2569266), (14, 2018709), (18, 1570107), (21, 1345806), (22, 1284633), (27, 1046738), (33, 856422), (42, 672903), (49, 576774), (54, 523369), (63, 448602), (66, 428211), (77, 367038), (98, 288387), (99, 285474), (126, 224301), (147, 192258), (154, 183519), (189, 149534), (198, 142737), (231, 122346), (294, 96129), (297, 95158), (378, 74767), (441, 64086), (462, 61173), (539, 52434), (594, 47579), (693, 40782), (882, 32043), (971, 29106), (1078, 26217), (1323, 21362), (1386, 20391), (1617, 17478), (1942, 14553), (2079, 13594), (2646, 10681), (2913, 9702), (3234, 8739), (4158, 6797), (4851, 5826)]