12390716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 23472960

約数和(自身を除く): 11082244

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 997, 1994, 3107, 3988, 6214, 12428, 12961, 25922, 51844, 238283, 476566, 953132, 3097679, 6195358, 12390716]

約数ペア:

[(1, 12390716), (2, 6195358), (4, 3097679), (13, 953132), (26, 476566), (52, 238283), (239, 51844), (478, 25922), (956, 12961), (997, 12428), (1994, 6214), (3107, 3988)]