81454064

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267941}}^1$

素因数の和:267968

約数の個数: 20

約数和(自身を含む): 166124040

約数和(自身を除く): 84669976

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267941, 535882, 1071764, 2143528, 4287056, 5090879, 10181758, 20363516, 40727032, 81454064]

約数ペア:

[(1, 81454064), (2, 40727032), (4, 20363516), (8, 10181758), (16, 5090879), (19, 4287056), (38, 2143528), (76, 1071764), (152, 535882), (304, 267941)]