247086716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{7949}}^1$

素因数の和:8381

約数の個数: 24

約数和(自身を含む): 456330000

約数和(自身を除く): 209243284

約数列:

[1, 2, 4, 19, 38, 76, 409, 818, 1636, 7771, 7949, 15542, 15898, 31084, 31796, 151031, 302062, 604124, 3251141, 6502282, 13004564, 61771679, 123543358, 247086716]

約数ペア:

[(1, 247086716), (2, 123543358), (4, 61771679), (19, 13004564), (38, 6502282), (76, 3251141), (409, 604124), (818, 302062), (1636, 151031), (7771, 31796), (7949, 31084), (15542, 15898)]