668800072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{8887}}^1$

素因数の和:9325

約数の個数: 32

約数和(自身を含む): 1311868800

約数和(自身を除く): 643068728

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 409, 818, 1636, 3272, 8887, 9407, 17774, 18814, 35548, 37628, 71096, 75256, 204401, 408802, 817604, 1635208, 3634783, 7269566, 14539132, 29078264, 83600009, 167200018, 334400036, 668800072]

約数ペア:

[(1, 668800072), (2, 334400036), (4, 167200018), (8, 83600009), (23, 29078264), (46, 14539132), (92, 7269566), (184, 3634783), (409, 1635208), (818, 817604), (1636, 408802), (3272, 204401), (8887, 75256), (9407, 71096), (17774, 37628), (18814, 35548)]