28070768

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:825

約数の個数: 40

約数和(自身を含む): 59631600

約数和(自身を除く): 31560832

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 349, 457, 698, 914, 1396, 1828, 2792, 3656, 3839, 5027, 5584, 7312, 7678, 10054, 15356, 20108, 30712, 40216, 61424, 80432, 159493, 318986, 637972, 1275944, 1754423, 2551888, 3508846, 7017692, 14035384, 28070768]

約数ペア:

[(1, 28070768), (2, 14035384), (4, 7017692), (8, 3508846), (11, 2551888), (16, 1754423), (22, 1275944), (44, 637972), (88, 318986), (176, 159493), (349, 80432), (457, 61424), (698, 40216), (914, 30712), (1396, 20108), (1828, 15356), (2792, 10054), (3656, 7678), (3839, 7312), (5027, 5584)]