40251386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^2$

素因数の和:806

約数の個数: 24

約数和(自身を含む): 72821280

約数和(自身を除く): 32569894

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 389, 778, 2723, 5446, 7391, 14782, 51737, 103474, 151321, 302642, 1059247, 2118494, 2875099, 5750198, 20125693, 40251386]

約数ペア:

[(1, 40251386), (2, 20125693), (7, 5750198), (14, 2875099), (19, 2118494), (38, 1059247), (133, 302642), (266, 151321), (389, 103474), (778, 51737), (2723, 14782), (5446, 7391)]