81657406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{29101}}^1$

素因数の和:29187

約数の個数: 16

約数和(自身を含む): 129911328

約数和(自身を除く): 48253922

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 29101, 58202, 669323, 1338646, 1775161, 3550322, 40828703, 81657406]

約数ペア:

[(1, 81657406), (2, 40828703), (23, 3550322), (46, 1775161), (61, 1338646), (122, 669323), (1403, 58202), (2806, 29101)]