389764788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{4640057}}^1$

素因数の和:4640071

約数の個数: 24

約数和(自身を含む): 1039372992

約数和(自身を除く): 649608204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 4640057, 9280114, 13920171, 18560228, 27840342, 32480399, 55680684, 64960798, 97441197, 129921596, 194882394, 389764788]

約数ペア:

[(1, 389764788), (2, 194882394), (3, 129921596), (4, 97441197), (6, 64960798), (7, 55680684), (12, 32480399), (14, 27840342), (21, 18560228), (28, 13920171), (42, 9280114), (84, 4640057)]