389065964

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{731327}}^1$

素因数の和:731357

約数の個数: 24

約数和(自身を含む): 819087360

約数和(自身を除く): 430021396

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 731327, 1462654, 2925308, 5119289, 10238578, 13895213, 20477156, 27790426, 55580852, 97266491, 194532982, 389065964]

約数ペア:

[(1, 389065964), (2, 194532982), (4, 97266491), (7, 55580852), (14, 27790426), (19, 20477156), (28, 13895213), (38, 10238578), (76, 5119289), (133, 2925308), (266, 1462654), (532, 731327)]