81151906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{7247}}^1$

素因数の和:7769

約数の個数: 16

約数和(自身を含む): 133073280

約数和(自身を除く): 51921374

約数列:

[1, 2, 11, 22, 509, 1018, 5599, 7247, 11198, 14494, 79717, 159434, 3688723, 7377446, 40575953, 81151906]

約数ペア:

[(1, 81151906), (2, 40575953), (11, 7377446), (22, 3688723), (509, 159434), (1018, 79717), (5599, 14494), (7247, 11198)]