81151814

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1\times {\mathrm{1163}}^1$

素因数の和:1555

約数の個数: 16

約数和(自身を含む): 123197760

約数和(自身を除く): 42045946

約数列:

[1, 2, 139, 251, 278, 502, 1163, 2326, 34889, 69778, 161657, 291913, 323314, 583826, 40575907, 81151814]

約数ペア:

[(1, 81151814), (2, 40575907), (139, 583826), (251, 323314), (278, 291913), (502, 161657), (1163, 69778), (2326, 34889)]