81020554

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1\times {\mathrm{1523}}^1$

素因数の和:1989

約数の個数: 16

約数和(自身を含む): 123736608

約数和(自身を除く): 42716054

約数列:

[1, 2, 67, 134, 397, 794, 1523, 3046, 26599, 53198, 102041, 204082, 604631, 1209262, 40510277, 81020554]

約数ペア:

[(1, 81020554), (2, 40510277), (67, 1209262), (134, 604631), (397, 204082), (794, 102041), (1523, 53198), (3046, 26599)]