721805214

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{13669}}^1$

素因数の和:14364

約数の個数: 32

約数和(自身を含む): 1557067680

約数和(自身を除く): 835262466

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 677, 1354, 2031, 4062, 8801, 13669, 17602, 26403, 27338, 41007, 52806, 82014, 177697, 355394, 533091, 1066182, 9253913, 18507826, 27761739, 55523478, 120300869, 240601738, 360902607, 721805214]

約数ペア:

[(1, 721805214), (2, 360902607), (3, 240601738), (6, 120300869), (13, 55523478), (26, 27761739), (39, 18507826), (78, 9253913), (677, 1066182), (1354, 533091), (2031, 355394), (4062, 177697), (8801, 82014), (13669, 52806), (17602, 41007), (26403, 27338)]