128557744

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:714

約数の個数: 80

約数和(自身を含む): 299155456

約数和(自身を除く): 170597712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 61, 62, 112, 122, 124, 217, 244, 248, 427, 434, 488, 496, 607, 854, 868, 976, 1214, 1708, 1736, 1891, 2428, 3416, 3472, 3782, 4249, 4856, 6832, 7564, 8498, 9712, 13237, 15128, 16996, 18817, 26474, 30256, 33992, 37027, 37634, 52948, 67984, 74054, 75268, 105896, 131719, 148108, 150536, 211792, 259189, 263438, 296216, 301072, 518378, 526876, 592432, 1036756, 1053752, 1147837, 2073512, 2107504, 2295674, 4147024, 4591348, 8034859, 9182696, 16069718, 18365392, 32139436, 64278872, 128557744]

約数ペア:

[(1, 128557744), (2, 64278872), (4, 32139436), (7, 18365392), (8, 16069718), (14, 9182696), (16, 8034859), (28, 4591348), (31, 4147024), (56, 2295674), (61, 2107504), (62, 2073512), (112, 1147837), (122, 1053752), (124, 1036756), (217, 592432), (244, 526876), (248, 518378), (427, 301072), (434, 296216), (488, 263438), (496, 259189), (607, 211792), (854, 150536), (868, 148108), (976, 131719), (1214, 105896), (1708, 75268), (1736, 74054), (1891, 67984), (2428, 52948), (3416, 37634), (3472, 37027), (3782, 33992), (4249, 30256), (4856, 26474), (6832, 18817), (7564, 16996), (8498, 15128), (9712, 13237)]