1438372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 2744000

約数和(自身を除く): 1305628

約数列:

[1, 2, 4, 13, 26, 52, 139, 199, 278, 398, 556, 796, 1807, 2587, 3614, 5174, 7228, 10348, 27661, 55322, 110644, 359593, 719186, 1438372]

約数ペア:

[(1, 1438372), (2, 719186), (4, 359593), (13, 110644), (26, 55322), (52, 27661), (139, 10348), (199, 7228), (278, 5174), (398, 3614), (556, 2587), (796, 1807)]