91031890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{222029}}^1$

素因数の和:222077

約数の個数: 16

約数和(自身を含む): 167854680

約数和(自身を除く): 76822790

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 222029, 444058, 1110145, 2220290, 9103189, 18206378, 45515945, 91031890]

約数ペア:

[(1, 91031890), (2, 45515945), (5, 18206378), (10, 9103189), (41, 2220290), (82, 1110145), (205, 444058), (410, 222029)]