3981868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:478

約数の個数: 36

約数和(自身を含む): 8081080

約数和(自身を除く): 4099212

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 433, 484, 836, 866, 1732, 2299, 4598, 4763, 8227, 9196, 9526, 16454, 19052, 32908, 52393, 90497, 104786, 180994, 209572, 361988, 995467, 1990934, 3981868]

約数ペア:

[(1, 3981868), (2, 1990934), (4, 995467), (11, 361988), (19, 209572), (22, 180994), (38, 104786), (44, 90497), (76, 52393), (121, 32908), (209, 19052), (242, 16454), (418, 9526), (433, 9196), (484, 8227), (836, 4763), (866, 4598), (1732, 2299)]