28456218

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{907}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 73221120

約数和(自身を除く): 44764902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 83, 126, 166, 189, 249, 378, 498, 581, 747, 907, 1162, 1494, 1743, 1814, 2241, 2721, 3486, 4482, 5229, 5442, 6349, 8163, 10458, 12698, 15687, 16326, 19047, 24489, 31374, 38094, 48978, 57141, 75281, 114282, 150562, 171423, 225843, 342846, 451686, 526967, 677529, 1053934, 1355058, 1580901, 2032587, 3161802, 4065174, 4742703, 9485406, 14228109, 28456218]

約数ペア:

[(1, 28456218), (2, 14228109), (3, 9485406), (6, 4742703), (7, 4065174), (9, 3161802), (14, 2032587), (18, 1580901), (21, 1355058), (27, 1053934), (42, 677529), (54, 526967), (63, 451686), (83, 342846), (126, 225843), (166, 171423), (189, 150562), (249, 114282), (378, 75281), (498, 57141), (581, 48978), (747, 38094), (907, 31374), (1162, 24489), (1494, 19047), (1743, 16326), (1814, 15687), (2241, 12698), (2721, 10458), (3486, 8163), (4482, 6349), (5229, 5442)]