28729930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 53706240

約数和(自身を除く): 24976310

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 887, 1774, 3239, 4435, 6478, 8870, 16195, 32390, 36367, 70073, 72734, 140146, 181835, 350365, 363670, 700730, 2872993, 5745986, 14364965, 28729930]

約数ペア:

[(1, 28729930), (2, 14364965), (5, 5745986), (10, 2872993), (41, 700730), (79, 363670), (82, 350365), (158, 181835), (205, 140146), (395, 72734), (410, 70073), (790, 36367), (887, 32390), (1774, 16195), (3239, 8870), (4435, 6478)]