393764932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{208121}}^1$

素因数の和:208179

約数の個数: 24

約数和(自身を含む): 769218912

約数和(自身を除く): 375453980

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 208121, 416242, 832484, 2289331, 4578662, 8949203, 9157324, 17898406, 35796812, 98441233, 196882466, 393764932]

約数ペア:

[(1, 393764932), (2, 196882466), (4, 98441233), (11, 35796812), (22, 17898406), (43, 9157324), (44, 8949203), (86, 4578662), (172, 2289331), (473, 832484), (946, 416242), (1892, 208121)]