8174990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 15289344

約数和(自身を除く): 7114354

約数列:

[1, 2, 5, 10, 41, 82, 127, 157, 205, 254, 314, 410, 635, 785, 1270, 1570, 5207, 6437, 10414, 12874, 19939, 26035, 32185, 39878, 52070, 64370, 99695, 199390, 817499, 1634998, 4087495, 8174990]

約数ペア:

[(1, 8174990), (2, 4087495), (5, 1634998), (10, 817499), (41, 199390), (82, 99695), (127, 64370), (157, 52070), (205, 39878), (254, 32185), (314, 26035), (410, 19939), (635, 12874), (785, 10414), (1270, 6437), (1570, 5207)]