128297390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{986903}}^1$

素因数の和:986923

約数の個数: 16

約数和(自身を含む): 248699808

約数和(自身を除く): 120402418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 986903, 1973806, 4934515, 9869030, 12829739, 25659478, 64148695, 128297390]

約数ペア:

[(1, 128297390), (2, 64148695), (5, 25659478), (10, 12829739), (13, 9869030), (26, 4934515), (65, 1973806), (130, 986903)]