81668954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 133224960

約数和(自身を除く): 51556006

約数列:

[1, 2, 19, 38, 43, 86, 151, 302, 331, 662, 817, 1634, 2869, 5738, 6289, 6493, 12578, 12986, 14233, 28466, 49981, 99962, 123367, 246734, 270427, 540854, 949639, 1899278, 2149183, 4298366, 40834477, 81668954]

約数ペア:

[(1, 81668954), (2, 40834477), (19, 4298366), (38, 2149183), (43, 1899278), (86, 949639), (151, 540854), (302, 270427), (331, 246734), (662, 123367), (817, 99962), (1634, 49981), (2869, 28466), (5738, 14233), (6289, 12986), (6493, 12578)]