131379976

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 322560000

約数和(自身を除く): 191180024

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 49, 52, 56, 58, 91, 98, 104, 116, 127, 182, 196, 203, 232, 254, 343, 364, 377, 392, 406, 508, 637, 686, 728, 754, 812, 889, 1016, 1274, 1372, 1421, 1508, 1624, 1651, 1778, 2548, 2639, 2744, 2842, 3016, 3302, 3556, 3683, 4459, 5096, 5278, 5684, 6223, 6604, 7112, 7366, 8918, 9947, 10556, 11368, 11557, 12446, 13208, 14732, 17836, 18473, 19894, 21112, 23114, 24892, 25781, 29464, 35672, 36946, 39788, 43561, 46228, 47879, 49784, 51562, 73892, 79576, 80899, 87122, 92456, 95758, 103124, 129311, 147784, 161798, 174244, 180467, 191516, 206248, 258622, 323596, 335153, 348488, 360934, 383032, 517244, 566293, 647192, 670306, 721868, 1034488, 1132586, 1263269, 1340612, 1443736, 2265172, 2346071, 2526538, 2681224, 4530344, 4692142, 5053076, 9384284, 10106152, 16422497, 18768568, 32844994, 65689988, 131379976]

約数ペア:

[(1, 131379976), (2, 65689988), (4, 32844994), (7, 18768568), (8, 16422497), (13, 10106152), (14, 9384284), (26, 5053076), (28, 4692142), (29, 4530344), (49, 2681224), (52, 2526538), (56, 2346071), (58, 2265172), (91, 1443736), (98, 1340612), (104, 1263269), (116, 1132586), (127, 1034488), (182, 721868), (196, 670306), (203, 647192), (232, 566293), (254, 517244), (343, 383032), (364, 360934), (377, 348488), (392, 335153), (406, 323596), (508, 258622), (637, 206248), (686, 191516), (728, 180467), (754, 174244), (812, 161798), (889, 147784), (1016, 129311), (1274, 103124), (1372, 95758), (1421, 92456), (1508, 87122), (1624, 80899), (1651, 79576), (1778, 73892), (2548, 51562), (2639, 49784), (2744, 47879), (2842, 46228), (3016, 43561), (3302, 39788), (3556, 36946), (3683, 35672), (4459, 29464), (5096, 25781), (5278, 24892), (5684, 23114), (6223, 21112), (6604, 19894), (7112, 18473), (7366, 17836), (8918, 14732), (9947, 13208), (10556, 12446), (11368, 11557)]