28721292

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 68772480

約数和(自身を除く): 40051188

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 139, 201, 257, 268, 278, 402, 417, 514, 556, 771, 804, 834, 1028, 1542, 1668, 3084, 9313, 17219, 18626, 27939, 34438, 35723, 37252, 51657, 55878, 68876, 71446, 103314, 107169, 111756, 142892, 206628, 214338, 428676, 2393441, 4786882, 7180323, 9573764, 14360646, 28721292]

約数ペア:

[(1, 28721292), (2, 14360646), (3, 9573764), (4, 7180323), (6, 4786882), (12, 2393441), (67, 428676), (134, 214338), (139, 206628), (201, 142892), (257, 111756), (268, 107169), (278, 103314), (402, 71446), (417, 68876), (514, 55878), (556, 51657), (771, 37252), (804, 35723), (834, 34438), (1028, 27939), (1542, 18626), (1668, 17219), (3084, 9313)]