81340888

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{68239}}^1$

素因数の和:68394

約数の個数: 16

約数和(自身を含む): 153540000

約数和(自身を除く): 72199112

約数列:

[1, 2, 4, 8, 149, 298, 596, 1192, 68239, 136478, 272956, 545912, 10167611, 20335222, 40670444, 81340888]

約数ペア:

[(1, 81340888), (2, 40670444), (4, 20335222), (8, 10167611), (149, 545912), (298, 272956), (596, 136478), (1192, 68239)]