64996568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 163430400

約数和(自身を除く): 98433832

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 37, 38, 52, 56, 74, 76, 91, 104, 127, 133, 148, 152, 182, 247, 254, 259, 266, 296, 364, 481, 494, 508, 518, 532, 703, 728, 889, 962, 988, 1016, 1036, 1064, 1406, 1651, 1729, 1778, 1924, 1976, 2072, 2413, 2812, 3302, 3367, 3458, 3556, 3848, 4699, 4826, 4921, 5624, 6604, 6734, 6916, 7112, 9139, 9398, 9652, 9842, 11557, 13208, 13468, 13832, 16891, 18278, 18796, 19304, 19684, 23114, 26936, 31369, 32893, 33782, 36556, 37592, 39368, 46228, 61087, 62738, 63973, 65786, 67564, 73112, 89281, 92456, 122174, 125476, 127946, 131572, 135128, 178562, 219583, 244348, 250952, 255892, 263144, 357124, 427609, 439166, 488696, 511784, 624967, 714248, 855218, 878332, 1160653, 1249934, 1710436, 1756664, 2321306, 2499868, 3420872, 4642612, 4999736, 8124571, 9285224, 16249142, 32498284, 64996568]

約数ペア:

[(1, 64996568), (2, 32498284), (4, 16249142), (7, 9285224), (8, 8124571), (13, 4999736), (14, 4642612), (19, 3420872), (26, 2499868), (28, 2321306), (37, 1756664), (38, 1710436), (52, 1249934), (56, 1160653), (74, 878332), (76, 855218), (91, 714248), (104, 624967), (127, 511784), (133, 488696), (148, 439166), (152, 427609), (182, 357124), (247, 263144), (254, 255892), (259, 250952), (266, 244348), (296, 219583), (364, 178562), (481, 135128), (494, 131572), (508, 127946), (518, 125476), (532, 122174), (703, 92456), (728, 89281), (889, 73112), (962, 67564), (988, 65786), (1016, 63973), (1036, 62738), (1064, 61087), (1406, 46228), (1651, 39368), (1729, 37592), (1778, 36556), (1924, 33782), (1976, 32893), (2072, 31369), (2413, 26936), (2812, 23114), (3302, 19684), (3367, 19304), (3458, 18796), (3556, 18278), (3848, 16891), (4699, 13832), (4826, 13468), (4921, 13208), (5624, 11557), (6604, 9842), (6734, 9652), (6916, 9398), (7112, 9139)]