1380784

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:628

約数の個数: 20

約数和(自身を含む): 2694520

約数和(自身を除く): 1313736

約数列:

[1, 2, 4, 8, 16, 211, 409, 422, 818, 844, 1636, 1688, 3272, 3376, 6544, 86299, 172598, 345196, 690392, 1380784]

約数ペア:

[(1, 1380784), (2, 690392), (4, 345196), (8, 172598), (16, 86299), (211, 6544), (409, 3376), (422, 3272), (818, 1688), (844, 1636)]