81937442

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1\times {\mathrm{821}}^1$

素因数の和:1321

約数の個数: 16

約数和(自身を含む): 124286400

約数和(自身を除く): 42348958

約数列:

[1, 2, 139, 278, 359, 718, 821, 1642, 49901, 99802, 114119, 228238, 294739, 589478, 40968721, 81937442]

約数ペア:

[(1, 81937442), (2, 40968721), (139, 589478), (278, 294739), (359, 228238), (718, 114119), (821, 99802), (1642, 49901)]