39997888

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:202

約数の個数: 112

約数和(自身を含む): 98836480

約数和(自身を除く): 58838592

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 56, 64, 74, 76, 112, 127, 133, 148, 152, 224, 254, 259, 266, 296, 304, 448, 508, 518, 532, 592, 608, 703, 889, 1016, 1036, 1064, 1184, 1216, 1406, 1778, 2032, 2072, 2128, 2368, 2413, 2812, 3556, 4064, 4144, 4256, 4699, 4826, 4921, 5624, 7112, 8128, 8288, 8512, 9398, 9652, 9842, 11248, 14224, 16576, 16891, 18796, 19304, 19684, 22496, 28448, 32893, 33782, 37592, 38608, 39368, 44992, 56896, 65786, 67564, 75184, 77216, 78736, 89281, 131572, 135128, 150368, 154432, 157472, 178562, 263144, 270256, 300736, 314944, 357124, 526288, 540512, 624967, 714248, 1052576, 1081024, 1249934, 1428496, 2105152, 2499868, 2856992, 4999736, 5713984, 9999472, 19998944, 39997888]

約数ペア:

[(1, 39997888), (2, 19998944), (4, 9999472), (7, 5713984), (8, 4999736), (14, 2856992), (16, 2499868), (19, 2105152), (28, 1428496), (32, 1249934), (37, 1081024), (38, 1052576), (56, 714248), (64, 624967), (74, 540512), (76, 526288), (112, 357124), (127, 314944), (133, 300736), (148, 270256), (152, 263144), (224, 178562), (254, 157472), (259, 154432), (266, 150368), (296, 135128), (304, 131572), (448, 89281), (508, 78736), (518, 77216), (532, 75184), (592, 67564), (608, 65786), (703, 56896), (889, 44992), (1016, 39368), (1036, 38608), (1064, 37592), (1184, 33782), (1216, 32893), (1406, 28448), (1778, 22496), (2032, 19684), (2072, 19304), (2128, 18796), (2368, 16891), (2413, 16576), (2812, 14224), (3556, 11248), (4064, 9842), (4144, 9652), (4256, 9398), (4699, 8512), (4826, 8288), (4921, 8128), (5624, 7112)]