81526378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{35171}}^1$

素因数の和:35253

約数の個数: 16

約数和(自身を含む): 130839840

約数和(自身を除く): 49313462

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 35171, 70342, 668249, 1336498, 2145431, 4290862, 40763189, 81526378]

約数ペア:

[(1, 81526378), (2, 40763189), (19, 4290862), (38, 2145431), (61, 1336498), (122, 668249), (1159, 70342), (2318, 35171)]