138989824

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 297463320

約数和(自身を除く): 158473496

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 109, 128, 136, 218, 256, 272, 293, 436, 544, 586, 872, 1088, 1172, 1744, 1853, 2176, 2344, 3488, 3706, 4352, 4688, 4981, 6976, 7412, 9376, 9962, 13952, 14824, 18752, 19924, 27904, 29648, 31937, 37504, 39848, 59296, 63874, 75008, 79696, 118592, 127748, 159392, 237184, 255496, 318784, 474368, 510992, 542929, 637568, 1021984, 1085858, 1275136, 2043968, 2171716, 4087936, 4343432, 8175872, 8686864, 17373728, 34747456, 69494912, 138989824]

約数ペア:

[(1, 138989824), (2, 69494912), (4, 34747456), (8, 17373728), (16, 8686864), (17, 8175872), (32, 4343432), (34, 4087936), (64, 2171716), (68, 2043968), (109, 1275136), (128, 1085858), (136, 1021984), (218, 637568), (256, 542929), (272, 510992), (293, 474368), (436, 318784), (544, 255496), (586, 237184), (872, 159392), (1088, 127748), (1172, 118592), (1744, 79696), (1853, 75008), (2176, 63874), (2344, 59296), (3488, 39848), (3706, 37504), (4352, 31937), (4688, 29648), (4981, 27904), (6976, 19924), (7412, 18752), (9376, 14824), (9962, 13952)]