8641456

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{1289}}^1$

素因数の和:1716

約数の個数: 20

約数和(自身を含む): 16795800

約数和(自身を除く): 8154344

約数列:

[1, 2, 4, 8, 16, 419, 838, 1289, 1676, 2578, 3352, 5156, 6704, 10312, 20624, 540091, 1080182, 2160364, 4320728, 8641456]

約数ペア:

[(1, 8641456), (2, 4320728), (4, 2160364), (8, 1080182), (16, 540091), (419, 20624), (838, 10312), (1289, 6704), (1676, 5156), (2578, 3352)]