328342690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{7237}}^1$

素因数の和:7606

約数の個数: 32

約数和(自身を含む): 638391600

約数和(自身を除く): 310048910

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 349, 698, 1745, 3490, 4537, 7237, 9074, 14474, 22685, 36185, 45370, 72370, 94081, 188162, 470405, 940810, 2525713, 5051426, 12628565, 25257130, 32834269, 65668538, 164171345, 328342690]

約数ペア:

[(1, 328342690), (2, 164171345), (5, 65668538), (10, 32834269), (13, 25257130), (26, 12628565), (65, 5051426), (130, 2525713), (349, 940810), (698, 470405), (1745, 188162), (3490, 94081), (4537, 72370), (7237, 45370), (9074, 36185), (14474, 22685)]