16405686

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:482

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 24029514

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 71, 99, 142, 198, 213, 297, 389, 426, 594, 639, 778, 781, 1167, 1278, 1562, 1917, 2334, 2343, 3501, 3834, 4279, 4686, 7002, 7029, 8558, 10503, 12837, 14058, 21006, 21087, 25674, 27619, 38511, 42174, 55238, 77022, 82857, 115533, 165714, 231066, 248571, 303809, 497142, 607618, 745713, 911427, 1491426, 1822854, 2734281, 5468562, 8202843, 16405686]

約数ペア:

[(1, 16405686), (2, 8202843), (3, 5468562), (6, 2734281), (9, 1822854), (11, 1491426), (18, 911427), (22, 745713), (27, 607618), (33, 497142), (54, 303809), (66, 248571), (71, 231066), (99, 165714), (142, 115533), (198, 82857), (213, 77022), (297, 55238), (389, 42174), (426, 38511), (594, 27619), (639, 25674), (778, 21087), (781, 21006), (1167, 14058), (1278, 12837), (1562, 10503), (1917, 8558), (2334, 7029), (2343, 7002), (3501, 4686), (3834, 4279)]