129242564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{13921}}^1$

素因数の和:14147

約数の個数: 24

約数和(自身を含む): 247922976

約数和(自身を除く): 118680412

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2321, 4642, 9284, 13921, 27842, 55684, 153131, 306262, 612524, 2937331, 5874662, 11749324, 32310641, 64621282, 129242564]

約数ペア:

[(1, 129242564), (2, 64621282), (4, 32310641), (11, 11749324), (22, 5874662), (44, 2937331), (211, 612524), (422, 306262), (844, 153131), (2321, 55684), (4642, 27842), (9284, 13921)]