2816962561

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 3335904000

約数和(自身を除く): 518941439

約数列:

[1, 7, 53, 131, 149, 371, 389, 917, 1043, 2723, 6943, 7897, 19519, 20617, 48601, 50959, 55279, 57961, 136633, 144319, 356713, 405727, 1034507, 2700827, 3071933, 7241549, 7592891, 18905789, 21503531, 53150237, 402423223, 2816962561]

約数ペア:

[(1, 2816962561), (7, 402423223), (53, 53150237), (131, 21503531), (149, 18905789), (371, 7592891), (389, 7241549), (917, 3071933), (1043, 2700827), (2723, 1034507), (6943, 405727), (7897, 356713), (19519, 144319), (20617, 136633), (48601, 57961), (50959, 55279)]