80491388

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1913}}^1$

素因数の和:2141

約数の個数: 24

約数和(自身を含む): 143948112

約数和(自身を除く): 63456724

約数列:

[1, 2, 4, 67, 134, 157, 268, 314, 628, 1913, 3826, 7652, 10519, 21038, 42076, 128171, 256342, 300341, 512684, 600682, 1201364, 20122847, 40245694, 80491388]

約数ペア:

[(1, 80491388), (2, 40245694), (4, 20122847), (67, 1201364), (134, 600682), (157, 512684), (268, 300341), (314, 256342), (628, 128171), (1913, 42076), (3826, 21038), (7652, 10519)]