278981268

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{1723}}^1$

素因数の和:1964

約数の個数: 48

約数和(自身を含む): 662678016

約数和(自身を除く): 383696748

約数列:

[1, 2, 3, 4, 6, 12, 103, 131, 206, 262, 309, 393, 412, 524, 618, 786, 1236, 1572, 1723, 3446, 5169, 6892, 10338, 13493, 20676, 26986, 40479, 53972, 80958, 161916, 177469, 225713, 354938, 451426, 532407, 677139, 709876, 902852, 1064814, 1354278, 2129628, 2708556, 23248439, 46496878, 69745317, 92993756, 139490634, 278981268]

約数ペア:

[(1, 278981268), (2, 139490634), (3, 92993756), (4, 69745317), (6, 46496878), (12, 23248439), (103, 2708556), (131, 2129628), (206, 1354278), (262, 1064814), (309, 902852), (393, 709876), (412, 677139), (524, 532407), (618, 451426), (786, 354938), (1236, 225713), (1572, 177469), (1723, 161916), (3446, 80958), (5169, 53972), (6892, 40479), (10338, 26986), (13493, 20676)]