128712416

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 144

約数和(自身を含む): 318536064

約数和(自身を除く): 189823648

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 43, 46, 49, 56, 83, 86, 92, 98, 112, 161, 166, 172, 184, 196, 224, 301, 322, 332, 344, 368, 392, 581, 602, 644, 664, 688, 736, 784, 989, 1127, 1162, 1204, 1288, 1328, 1376, 1568, 1909, 1978, 2107, 2254, 2324, 2408, 2576, 2656, 3569, 3818, 3956, 4067, 4214, 4508, 4648, 4816, 5152, 6923, 7138, 7636, 7912, 8134, 8428, 9016, 9296, 9632, 13363, 13846, 14276, 15272, 15824, 16268, 16856, 18032, 18592, 24983, 26726, 27692, 28552, 30544, 31648, 32536, 33712, 36064, 48461, 49966, 53452, 55384, 57104, 61088, 65072, 67424, 82087, 93541, 96922, 99932, 106904, 110768, 114208, 130144, 164174, 174881, 187082, 193844, 199864, 213808, 221536, 328348, 349762, 374164, 387688, 399728, 427616, 574609, 656696, 699524, 748328, 775376, 799456, 1149218, 1313392, 1399048, 1496656, 1550752, 2298436, 2626784, 2798096, 2993312, 4022263, 4596872, 5596192, 8044526, 9193744, 16089052, 18387488, 32178104, 64356208, 128712416]

約数ペア:

[(1, 128712416), (2, 64356208), (4, 32178104), (7, 18387488), (8, 16089052), (14, 9193744), (16, 8044526), (23, 5596192), (28, 4596872), (32, 4022263), (43, 2993312), (46, 2798096), (49, 2626784), (56, 2298436), (83, 1550752), (86, 1496656), (92, 1399048), (98, 1313392), (112, 1149218), (161, 799456), (166, 775376), (172, 748328), (184, 699524), (196, 656696), (224, 574609), (301, 427616), (322, 399728), (332, 387688), (344, 374164), (368, 349762), (392, 328348), (581, 221536), (602, 213808), (644, 199864), (664, 193844), (688, 187082), (736, 174881), (784, 164174), (989, 130144), (1127, 114208), (1162, 110768), (1204, 106904), (1288, 99932), (1328, 96922), (1376, 93541), (1568, 82087), (1909, 67424), (1978, 65072), (2107, 61088), (2254, 57104), (2324, 55384), (2408, 53452), (2576, 49966), (2656, 48461), (3569, 36064), (3818, 33712), (3956, 32536), (4067, 31648), (4214, 30544), (4508, 28552), (4648, 27692), (4816, 26726), (5152, 24983), (6923, 18592), (7138, 18032), (7636, 16856), (7912, 16268), (8134, 15824), (8428, 15272), (9016, 14276), (9296, 13846), (9632, 13363)]