388261510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{426661}}^1$

素因数の和:426688

約数の個数: 32

約数和(自身を含む): 860150592

約数和(自身を除く): 471889082

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 426661, 853322, 2133305, 2986627, 4266610, 5546593, 5973254, 11093186, 14933135, 27732965, 29866270, 38826151, 55465930, 77652302, 194130755, 388261510]

約数ペア:

[(1, 388261510), (2, 194130755), (5, 77652302), (7, 55465930), (10, 38826151), (13, 29866270), (14, 27732965), (26, 14933135), (35, 11093186), (65, 5973254), (70, 5546593), (91, 4266610), (130, 2986627), (182, 2133305), (455, 853322), (910, 426661)]