81427406

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{37663}}^1$

素因数の和:37735

約数の個数: 16

約数和(自身を含む): 130166784

約数和(自身を除く): 48739378

約数列:

[1, 2, 23, 46, 47, 94, 1081, 2162, 37663, 75326, 866249, 1732498, 1770161, 3540322, 40713703, 81427406]

約数ペア:

[(1, 81427406), (2, 40713703), (23, 3540322), (46, 1770161), (47, 1732498), (94, 866249), (1081, 75326), (2162, 37663)]