1639605422

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{1289}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 3146774400

約数和(自身を除く): 1507168978

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 241, 377, 406, 482, 754, 1289, 1687, 2578, 2639, 3133, 3374, 5278, 6266, 6989, 9023, 13978, 16757, 18046, 21931, 33514, 37381, 43862, 48923, 74762, 90857, 97846, 117299, 181714, 234598, 261667, 310649, 485953, 523334, 621298, 635999, 971906, 1271998, 2174543, 3401671, 4038437, 4349086, 6803342, 8076874, 9008821, 18017642, 28269059, 56538118, 63061747, 117114673, 126123494, 234229346, 819802711, 1639605422]

約数ペア:

[(1, 1639605422), (2, 819802711), (7, 234229346), (13, 126123494), (14, 117114673), (26, 63061747), (29, 56538118), (58, 28269059), (91, 18017642), (182, 9008821), (203, 8076874), (241, 6803342), (377, 4349086), (406, 4038437), (482, 3401671), (754, 2174543), (1289, 1271998), (1687, 971906), (2578, 635999), (2639, 621298), (3133, 523334), (3374, 485953), (5278, 310649), (6266, 261667), (6989, 234598), (9023, 181714), (13978, 117299), (16757, 97846), (18046, 90857), (21931, 74762), (33514, 48923), (37381, 43862)]