71811376

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 185765888

約数和(自身を除く): 113954512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 37, 43, 52, 56, 62, 74, 86, 91, 104, 112, 124, 148, 172, 182, 208, 217, 248, 259, 296, 301, 344, 364, 403, 434, 481, 496, 518, 559, 592, 602, 688, 728, 806, 868, 962, 1036, 1118, 1147, 1204, 1333, 1456, 1591, 1612, 1736, 1924, 2072, 2236, 2294, 2408, 2666, 2821, 3182, 3224, 3367, 3472, 3848, 3913, 4144, 4472, 4588, 4816, 5332, 5642, 6364, 6448, 6734, 7696, 7826, 8029, 8944, 9176, 9331, 10664, 11137, 11284, 12728, 13468, 14911, 15652, 16058, 17329, 18352, 18662, 20683, 21328, 22274, 22568, 25456, 26936, 29822, 31304, 32116, 34658, 37324, 41366, 44548, 45136, 49321, 53872, 59644, 62608, 64232, 69316, 74648, 82732, 89096, 98642, 104377, 119288, 121303, 128464, 138632, 144781, 149296, 165464, 178192, 197284, 208754, 238576, 242606, 277264, 289562, 330928, 345247, 394568, 417508, 485212, 579124, 641173, 690494, 789136, 835016, 970424, 1158248, 1282346, 1380988, 1670032, 1940848, 2316496, 2564692, 2761976, 4488211, 5129384, 5523952, 8976422, 10258768, 17952844, 35905688, 71811376]

約数ペア:

[(1, 71811376), (2, 35905688), (4, 17952844), (7, 10258768), (8, 8976422), (13, 5523952), (14, 5129384), (16, 4488211), (26, 2761976), (28, 2564692), (31, 2316496), (37, 1940848), (43, 1670032), (52, 1380988), (56, 1282346), (62, 1158248), (74, 970424), (86, 835016), (91, 789136), (104, 690494), (112, 641173), (124, 579124), (148, 485212), (172, 417508), (182, 394568), (208, 345247), (217, 330928), (248, 289562), (259, 277264), (296, 242606), (301, 238576), (344, 208754), (364, 197284), (403, 178192), (434, 165464), (481, 149296), (496, 144781), (518, 138632), (559, 128464), (592, 121303), (602, 119288), (688, 104377), (728, 98642), (806, 89096), (868, 82732), (962, 74648), (1036, 69316), (1118, 64232), (1147, 62608), (1204, 59644), (1333, 53872), (1456, 49321), (1591, 45136), (1612, 44548), (1736, 41366), (1924, 37324), (2072, 34658), (2236, 32116), (2294, 31304), (2408, 29822), (2666, 26936), (2821, 25456), (3182, 22568), (3224, 22274), (3367, 21328), (3472, 20683), (3848, 18662), (3913, 18352), (4144, 17329), (4472, 16058), (4588, 15652), (4816, 14911), (5332, 13468), (5642, 12728), (6364, 11284), (6448, 11137), (6734, 10664), (7696, 9331), (7826, 9176), (8029, 8944)]