251339816

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 640442880

約数和(自身を除く): 389103064

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 37, 43, 49, 52, 56, 62, 74, 86, 91, 98, 104, 124, 148, 172, 182, 196, 217, 248, 259, 296, 301, 344, 364, 392, 403, 434, 481, 518, 559, 602, 637, 728, 806, 868, 962, 1036, 1118, 1147, 1204, 1274, 1333, 1519, 1591, 1612, 1736, 1813, 1924, 2072, 2107, 2236, 2294, 2408, 2548, 2666, 2821, 3038, 3182, 3224, 3367, 3626, 3848, 3913, 4214, 4472, 4588, 5096, 5332, 5642, 6076, 6364, 6734, 7252, 7826, 8029, 8428, 9176, 9331, 10664, 11137, 11284, 12152, 12728, 13468, 14504, 14911, 15652, 16058, 16856, 17329, 18662, 19747, 20683, 22274, 22568, 23569, 26936, 27391, 29822, 31304, 32116, 34658, 37324, 39494, 41366, 44548, 47138, 49321, 54782, 56203, 59644, 64232, 65317, 69316, 74648, 77959, 78988, 82732, 89096, 94276, 98642, 104377, 109564, 112406, 119288, 121303, 130634, 138632, 144781, 155918, 157976, 165464, 188552, 197284, 208754, 219128, 224812, 242606, 261268, 289562, 311836, 345247, 394568, 417508, 449624, 485212, 522536, 579124, 623672, 641173, 690494, 730639, 835016, 849121, 970424, 1013467, 1158248, 1282346, 1380988, 1461278, 1698242, 2026934, 2416729, 2564692, 2761976, 2922556, 3396484, 4053868, 4488211, 4833458, 5129384, 5845112, 6792968, 8107736, 8976422, 9666916, 17952844, 19333832, 31417477, 35905688, 62834954, 125669908, 251339816]

約数ペア:

[(1, 251339816), (2, 125669908), (4, 62834954), (7, 35905688), (8, 31417477), (13, 19333832), (14, 17952844), (26, 9666916), (28, 8976422), (31, 8107736), (37, 6792968), (43, 5845112), (49, 5129384), (52, 4833458), (56, 4488211), (62, 4053868), (74, 3396484), (86, 2922556), (91, 2761976), (98, 2564692), (104, 2416729), (124, 2026934), (148, 1698242), (172, 1461278), (182, 1380988), (196, 1282346), (217, 1158248), (248, 1013467), (259, 970424), (296, 849121), (301, 835016), (344, 730639), (364, 690494), (392, 641173), (403, 623672), (434, 579124), (481, 522536), (518, 485212), (559, 449624), (602, 417508), (637, 394568), (728, 345247), (806, 311836), (868, 289562), (962, 261268), (1036, 242606), (1118, 224812), (1147, 219128), (1204, 208754), (1274, 197284), (1333, 188552), (1519, 165464), (1591, 157976), (1612, 155918), (1736, 144781), (1813, 138632), (1924, 130634), (2072, 121303), (2107, 119288), (2236, 112406), (2294, 109564), (2408, 104377), (2548, 98642), (2666, 94276), (2821, 89096), (3038, 82732), (3182, 78988), (3224, 77959), (3367, 74648), (3626, 69316), (3848, 65317), (3913, 64232), (4214, 59644), (4472, 56203), (4588, 54782), (5096, 49321), (5332, 47138), (5642, 44548), (6076, 41366), (6364, 39494), (6734, 37324), (7252, 34658), (7826, 32116), (8029, 31304), (8428, 29822), (9176, 27391), (9331, 26936), (10664, 23569), (11137, 22568), (11284, 22274), (12152, 20683), (12728, 19747), (13468, 18662), (14504, 17329), (14911, 16856), (15652, 16058)]