1297426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:513

約数の個数: 16

約数和(自身を含む): 2116800

約数和(自身を除く): 819374

約数列:

[1, 2, 13, 26, 139, 278, 359, 718, 1807, 3614, 4667, 9334, 49901, 99802, 648713, 1297426]

約数ペア:

[(1, 1297426), (2, 648713), (13, 99802), (26, 49901), (139, 9334), (278, 4667), (359, 3614), (718, 1807)]