81625530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{388693}}^1$

素因数の和:388710

約数の個数: 32

約数和(自身を含む): 223887744

約数和(自身を除く): 142262214

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 388693, 777386, 1166079, 1943465, 2332158, 2720851, 3886930, 5441702, 5830395, 8162553, 11660790, 13604255, 16325106, 27208510, 40812765, 81625530]

約数ペア:

[(1, 81625530), (2, 40812765), (3, 27208510), (5, 16325106), (6, 13604255), (7, 11660790), (10, 8162553), (14, 5830395), (15, 5441702), (21, 3886930), (30, 2720851), (35, 2332158), (42, 1943465), (70, 1166079), (105, 777386), (210, 388693)]