178221104

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{102191}}^1$

素因数の和:102308

約数の個数: 20

約数和(自身を含む): 348474720

約数和(自身を除く): 170253616

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 102191, 204382, 408764, 817528, 1635056, 11138819, 22277638, 44555276, 89110552, 178221104]

約数ペア:

[(1, 178221104), (2, 89110552), (4, 44555276), (8, 22277638), (16, 11138819), (109, 1635056), (218, 817528), (436, 408764), (872, 204382), (1744, 102191)]