125123456

素因数分解:

$2^7\times {\mathrm{419}}^1\times {\mathrm{2333}}^1$

素因数の和:2766

約数の個数: 32

約数和(自身を含む): 249971400

約数和(自身を除く): 124847944

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 419, 838, 1676, 2333, 3352, 4666, 6704, 9332, 13408, 18664, 26816, 37328, 53632, 74656, 149312, 298624, 977527, 1955054, 3910108, 7820216, 15640432, 31280864, 62561728, 125123456]

約数ペア:

[(1, 125123456), (2, 62561728), (4, 31280864), (8, 15640432), (16, 7820216), (32, 3910108), (64, 1955054), (128, 977527), (419, 298624), (838, 149312), (1676, 74656), (2333, 53632), (3352, 37328), (4666, 26816), (6704, 18664), (9332, 13408)]