80408978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1489}}^1$

素因数の和:1602

約数の個数: 32

約数和(自身を含む): 136174080

約数和(自身を除く): 55765102

約数列:

[1, 2, 13, 26, 31, 62, 67, 134, 403, 806, 871, 1489, 1742, 2077, 2978, 4154, 19357, 27001, 38714, 46159, 54002, 92318, 99763, 199526, 600067, 1200134, 1296919, 2593838, 3092653, 6185306, 40204489, 80408978]

約数ペア:

[(1, 80408978), (2, 40204489), (13, 6185306), (26, 3092653), (31, 2593838), (62, 1296919), (67, 1200134), (134, 600067), (403, 199526), (806, 99763), (871, 92318), (1489, 54002), (1742, 46159), (2077, 38714), (2978, 27001), (4154, 19357)]