128379328

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 112

約数和(自身を含む): 321868800

約数和(自身を除く): 193489472

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 109, 112, 154, 176, 218, 224, 239, 308, 352, 436, 448, 478, 616, 704, 763, 872, 956, 1199, 1232, 1526, 1673, 1744, 1912, 2398, 2464, 2629, 3052, 3346, 3488, 3824, 4796, 4928, 5258, 6104, 6692, 6976, 7648, 8393, 9592, 10516, 12208, 13384, 15296, 16786, 18403, 19184, 21032, 24416, 26051, 26768, 33572, 36806, 38368, 42064, 48832, 52102, 53536, 67144, 73612, 76736, 84128, 104204, 107072, 134288, 147224, 168256, 182357, 208408, 268576, 286561, 294448, 364714, 416816, 537152, 573122, 588896, 729428, 833632, 1146244, 1177792, 1458856, 1667264, 2005927, 2292488, 2917712, 4011854, 4584976, 5835424, 8023708, 9169952, 11670848, 16047416, 18339904, 32094832, 64189664, 128379328]

約数ペア:

[(1, 128379328), (2, 64189664), (4, 32094832), (7, 18339904), (8, 16047416), (11, 11670848), (14, 9169952), (16, 8023708), (22, 5835424), (28, 4584976), (32, 4011854), (44, 2917712), (56, 2292488), (64, 2005927), (77, 1667264), (88, 1458856), (109, 1177792), (112, 1146244), (154, 833632), (176, 729428), (218, 588896), (224, 573122), (239, 537152), (308, 416816), (352, 364714), (436, 294448), (448, 286561), (478, 268576), (616, 208408), (704, 182357), (763, 168256), (872, 147224), (956, 134288), (1199, 107072), (1232, 104204), (1526, 84128), (1673, 76736), (1744, 73612), (1912, 67144), (2398, 53536), (2464, 52102), (2629, 48832), (3052, 42064), (3346, 38368), (3488, 36806), (3824, 33572), (4796, 26768), (4928, 26051), (5258, 24416), (6104, 21032), (6692, 19184), (6976, 18403), (7648, 16786), (8393, 15296), (9592, 13384), (10516, 12208)]