81381484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{2473}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 150320240

約数和(自身を除く): 68938756

約数列:

[1, 2, 4, 19, 38, 76, 433, 866, 1732, 2473, 4946, 8227, 9892, 16454, 32908, 46987, 93974, 187948, 1070809, 2141618, 4283236, 20345371, 40690742, 81381484]

約数ペア:

[(1, 81381484), (2, 40690742), (4, 20345371), (19, 4283236), (38, 2141618), (76, 1070809), (433, 187948), (866, 93974), (1732, 46987), (2473, 32908), (4946, 16454), (8227, 9892)]