28686798

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:679

約数の個数: 80

約数和(自身を含む): 75376224

約数和(自身を除く): 46689426

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 81, 82, 123, 126, 162, 189, 246, 287, 369, 378, 567, 574, 617, 738, 861, 1107, 1134, 1234, 1722, 1851, 2214, 2583, 3321, 3702, 4319, 5166, 5553, 6642, 7749, 8638, 11106, 12957, 15498, 16659, 23247, 25297, 25914, 33318, 38871, 46494, 49977, 50594, 75891, 77742, 99954, 116613, 151782, 177079, 227673, 233226, 349839, 354158, 455346, 531237, 683019, 699678, 1062474, 1366038, 1593711, 2049057, 3187422, 4098114, 4781133, 9562266, 14343399, 28686798]

約数ペア:

[(1, 28686798), (2, 14343399), (3, 9562266), (6, 4781133), (7, 4098114), (9, 3187422), (14, 2049057), (18, 1593711), (21, 1366038), (27, 1062474), (41, 699678), (42, 683019), (54, 531237), (63, 455346), (81, 354158), (82, 349839), (123, 233226), (126, 227673), (162, 177079), (189, 151782), (246, 116613), (287, 99954), (369, 77742), (378, 75891), (567, 50594), (574, 49977), (617, 46494), (738, 38871), (861, 33318), (1107, 25914), (1134, 25297), (1234, 23247), (1722, 16659), (1851, 15498), (2214, 12957), (2583, 11106), (3321, 8638), (3702, 7749), (4319, 6642), (5166, 5553)]