640111676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{68711}}^1$

素因数の和:68869

約数の個数: 24

約数和(自身を含む): 1194764256

約数和(自身を除く): 554652580

約数列:

[1, 2, 4, 17, 34, 68, 137, 274, 548, 2329, 4658, 9316, 68711, 137422, 274844, 1168087, 2336174, 4672348, 9413407, 18826814, 37653628, 160027919, 320055838, 640111676]

約数ペア:

[(1, 640111676), (2, 320055838), (4, 160027919), (17, 37653628), (34, 18826814), (68, 9413407), (137, 4672348), (274, 2336174), (548, 1168087), (2329, 274844), (4658, 137422), (9316, 68711)]