1379404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 2667168

約数和(自身を除く): 1287764

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 647, 1066, 1294, 2132, 2588, 8411, 16822, 26527, 33644, 53054, 106108, 344851, 689702, 1379404]

約数ペア:

[(1, 1379404), (2, 689702), (4, 344851), (13, 106108), (26, 53054), (41, 33644), (52, 26527), (82, 16822), (164, 8411), (533, 2588), (647, 2132), (1066, 1294)]