1639790638

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{359761}}^1$

素因数の和:359859

約数の個数: 16

約数和(自身を含む): 2564383536

約数和(自身を除く): 924592898

約数列:

[1, 2, 43, 53, 86, 106, 2279, 4558, 359761, 719522, 15469723, 19067333, 30939446, 38134666, 819895319, 1639790638]

約数ペア:

[(1, 1639790638), (2, 819895319), (43, 38134666), (53, 30939446), (86, 19067333), (106, 15469723), (2279, 719522), (4558, 359761)]