1243996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 2399040

約数和(自身を除く): 1155044

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 509, 611, 1018, 1222, 2036, 2444, 6617, 13234, 23923, 26468, 47846, 95692, 310999, 621998, 1243996]

約数ペア:

[(1, 1243996), (2, 621998), (4, 310999), (13, 95692), (26, 47846), (47, 26468), (52, 23923), (94, 13234), (188, 6617), (509, 2444), (611, 2036), (1018, 1222)]