12920.000000

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 16

約数和(自身を含む): 881280

約数和(自身を除く): 329602

約数列:

[1, 2, 23, 46, 67, 134, 179, 358, 1541, 3082, 4117, 8234, 11993, 23986, 275839, 551678]

約数ペア:

[(1, 551678), (2, 275839), (23, 23986), (46, 11993), (67, 8234), (134, 4117), (179, 3082), (358, 1541)]