389747778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{9279709}}^1$

素因数の和:9279721

約数の個数: 16

約数和(自身を含む): 890852160

約数和(自身を除く): 501104382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 9279709, 18559418, 27839127, 55678254, 64957963, 129915926, 194873889, 389747778]

約数ペア:

[(1, 389747778), (2, 194873889), (3, 129915926), (6, 64957963), (7, 55678254), (14, 27839127), (21, 18559418), (42, 9279709)]