81966976

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:292

約数の個数: 128

約数和(自身を含む): 208373760

約数和(自身を除く): 126406784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 227, 248, 364, 403, 416, 434, 448, 454, 496, 728, 806, 832, 868, 896, 908, 992, 1456, 1589, 1612, 1664, 1736, 1816, 1984, 2821, 2912, 2951, 3178, 3224, 3472, 3632, 3968, 5642, 5824, 5902, 6356, 6448, 6944, 7037, 7264, 11284, 11648, 11804, 12712, 12896, 13888, 14074, 14528, 20657, 22568, 23608, 25424, 25792, 27776, 28148, 29056, 41314, 45136, 47216, 49259, 50848, 51584, 56296, 82628, 90272, 91481, 94432, 98518, 101696, 112592, 165256, 180544, 182962, 188864, 197036, 203392, 225184, 330512, 361088, 365924, 377728, 394072, 450368, 640367, 661024, 731848, 788144, 900736, 1280734, 1322048, 1463696, 1576288, 2561468, 2644096, 2927392, 3152576, 5122936, 5854784, 6305152, 10245872, 11709568, 20491744, 40983488, 81966976]

約数ペア:

[(1, 81966976), (2, 40983488), (4, 20491744), (7, 11709568), (8, 10245872), (13, 6305152), (14, 5854784), (16, 5122936), (26, 3152576), (28, 2927392), (31, 2644096), (32, 2561468), (52, 1576288), (56, 1463696), (62, 1322048), (64, 1280734), (91, 900736), (104, 788144), (112, 731848), (124, 661024), (128, 640367), (182, 450368), (208, 394072), (217, 377728), (224, 365924), (227, 361088), (248, 330512), (364, 225184), (403, 203392), (416, 197036), (434, 188864), (448, 182962), (454, 180544), (496, 165256), (728, 112592), (806, 101696), (832, 98518), (868, 94432), (896, 91481), (908, 90272), (992, 82628), (1456, 56296), (1589, 51584), (1612, 50848), (1664, 49259), (1736, 47216), (1816, 45136), (1984, 41314), (2821, 29056), (2912, 28148), (2951, 27776), (3178, 25792), (3224, 25424), (3472, 23608), (3632, 22568), (3968, 20657), (5642, 14528), (5824, 14074), (5902, 13888), (6356, 12896), (6448, 12712), (6944, 11804), (7037, 11648), (7264, 11284)]