81909142

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{54679}}^1$

素因数の和:54795

約数の個数: 16

約数和(自身を含む): 141730560

約数和(自身を除く): 59821418

約数列:

[1, 2, 7, 14, 107, 214, 749, 1498, 54679, 109358, 382753, 765506, 5850653, 11701306, 40954571, 81909142]

約数ペア:

[(1, 81909142), (2, 40954571), (7, 11701306), (14, 5850653), (107, 765506), (214, 382753), (749, 109358), (1498, 54679)]