28339974

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 66515904

約数和(自身を除く): 38175930

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 281, 431, 562, 843, 862, 1293, 1686, 2529, 2586, 3653, 3879, 5058, 5603, 7306, 7758, 10959, 11206, 16809, 21918, 32877, 33618, 50427, 65754, 100854, 121111, 242222, 363333, 726666, 1089999, 1574443, 2179998, 3148886, 4723329, 9446658, 14169987, 28339974]

約数ペア:

[(1, 28339974), (2, 14169987), (3, 9446658), (6, 4723329), (9, 3148886), (13, 2179998), (18, 1574443), (26, 1089999), (39, 726666), (78, 363333), (117, 242222), (234, 121111), (281, 100854), (431, 65754), (562, 50427), (843, 33618), (862, 32877), (1293, 21918), (1686, 16809), (2529, 11206), (2586, 10959), (3653, 7758), (3879, 7306), (5058, 5603)]