81967284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 248976000

約数和(自身を除く): 167008716

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 59, 63, 74, 84, 111, 118, 126, 148, 149, 177, 222, 236, 252, 259, 298, 333, 354, 413, 444, 447, 518, 531, 596, 666, 708, 777, 826, 894, 1036, 1043, 1062, 1239, 1332, 1341, 1554, 1652, 1788, 2086, 2124, 2183, 2331, 2478, 2682, 3108, 3129, 3717, 4172, 4366, 4662, 4956, 5364, 5513, 6258, 6549, 7434, 8732, 8791, 9324, 9387, 11026, 12516, 13098, 14868, 15281, 16539, 17582, 18774, 19647, 22052, 26196, 26373, 30562, 33078, 35164, 37548, 38591, 39294, 45843, 49617, 52746, 61124, 61537, 66156, 77182, 78588, 79119, 91686, 99234, 105492, 115773, 123074, 137529, 154364, 158238, 183372, 184611, 198468, 231546, 246148, 275058, 316476, 325267, 347319, 369222, 463092, 550116, 553833, 650534, 694638, 738444, 975801, 1107666, 1301068, 1389276, 1951602, 2215332, 2276869, 2927403, 3903204, 4553738, 5854806, 6830607, 9107476, 11709612, 13661214, 20491821, 27322428, 40983642, 81967284]

約数ペア:

[(1, 81967284), (2, 40983642), (3, 27322428), (4, 20491821), (6, 13661214), (7, 11709612), (9, 9107476), (12, 6830607), (14, 5854806), (18, 4553738), (21, 3903204), (28, 2927403), (36, 2276869), (37, 2215332), (42, 1951602), (59, 1389276), (63, 1301068), (74, 1107666), (84, 975801), (111, 738444), (118, 694638), (126, 650534), (148, 553833), (149, 550116), (177, 463092), (222, 369222), (236, 347319), (252, 325267), (259, 316476), (298, 275058), (333, 246148), (354, 231546), (413, 198468), (444, 184611), (447, 183372), (518, 158238), (531, 154364), (596, 137529), (666, 123074), (708, 115773), (777, 105492), (826, 99234), (894, 91686), (1036, 79119), (1043, 78588), (1062, 77182), (1239, 66156), (1332, 61537), (1341, 61124), (1554, 52746), (1652, 49617), (1788, 45843), (2086, 39294), (2124, 38591), (2183, 37548), (2331, 35164), (2478, 33078), (2682, 30562), (3108, 26373), (3129, 26196), (3717, 22052), (4172, 19647), (4366, 18774), (4662, 17582), (4956, 16539), (5364, 15281), (5513, 14868), (6258, 13098), (6549, 12516), (7434, 11026), (8732, 9387), (8791, 9324)]