12478892

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 22394400

約数和(自身を除く): 9915508

約数列:

[1, 2, 4, 61, 122, 199, 244, 257, 398, 514, 796, 1028, 12139, 15677, 24278, 31354, 48556, 51143, 62708, 102286, 204572, 3119723, 6239446, 12478892]

約数ペア:

[(1, 12478892), (2, 6239446), (4, 3119723), (61, 204572), (122, 102286), (199, 62708), (244, 51143), (257, 48556), (398, 31354), (514, 24278), (796, 15677), (1028, 12139)]