81983648

素因数分解:

$2^5\times {\mathrm{401}}^1\times {\mathrm{6389}}^1$

素因数の和:6800

約数の個数: 24

約数和(自身を含む): 161833140

約数和(自身を除く): 79849492

約数列:

[1, 2, 4, 8, 16, 32, 401, 802, 1604, 3208, 6389, 6416, 12778, 12832, 25556, 51112, 102224, 204448, 2561989, 5123978, 10247956, 20495912, 40991824, 81983648]

約数ペア:

[(1, 81983648), (2, 40991824), (4, 20495912), (8, 10247956), (16, 5123978), (32, 2561989), (401, 204448), (802, 102224), (1604, 51112), (3208, 25556), (6389, 12832), (6416, 12778)]