128711488

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:731

約数の個数: 56

約数和(自身を含む): 272043144

約数和(自身を除く): 143331656

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 281, 421, 544, 562, 842, 1088, 1124, 1684, 2248, 3368, 4496, 4777, 6736, 7157, 8992, 9554, 13472, 14314, 17984, 19108, 26944, 28628, 38216, 57256, 76432, 114512, 118301, 152864, 229024, 236602, 305728, 458048, 473204, 946408, 1892816, 2011117, 3785632, 4022234, 7571264, 8044468, 16088936, 32177872, 64355744, 128711488]

約数ペア:

[(1, 128711488), (2, 64355744), (4, 32177872), (8, 16088936), (16, 8044468), (17, 7571264), (32, 4022234), (34, 3785632), (64, 2011117), (68, 1892816), (136, 946408), (272, 473204), (281, 458048), (421, 305728), (544, 236602), (562, 229024), (842, 152864), (1088, 118301), (1124, 114512), (1684, 76432), (2248, 57256), (3368, 38216), (4496, 28628), (4777, 26944), (6736, 19108), (7157, 17984), (8992, 14314), (9554, 13472)]