31960078

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:939

約数の個数: 16

約数和(自身を含む): 48708000

約数和(自身を除く): 16747922

約数列:

[1, 2, 89, 178, 409, 439, 818, 878, 36401, 39071, 72802, 78142, 179551, 359102, 15980039, 31960078]

約数ペア:

[(1, 31960078), (2, 15980039), (89, 359102), (178, 179551), (409, 78142), (439, 72802), (818, 39071), (878, 36401)]