1138852981

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^2\times {\mathrm{1901}}^1$

素因数の和:2053

約数の個数: 24

約数和(自身を含む): 1381491072

約数和(自身を除く): 242638091

約数列:

[1, 7, 23, 61, 161, 427, 1403, 1901, 3721, 9821, 13307, 26047, 43723, 85583, 115961, 306061, 599081, 811727, 2667103, 7073621, 18669721, 49515347, 162693283, 1138852981]

約数ペア:

[(1, 1138852981), (7, 162693283), (23, 49515347), (61, 18669721), (161, 7073621), (427, 2667103), (1403, 811727), (1901, 599081), (3721, 306061), (9821, 115961), (13307, 85583), (26047, 43723)]