81632670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{388727}}^1$

素因数の和:388744

約数の個数: 32

約数和(自身を含む): 223907328

約数和(自身を除く): 142274658

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 388727, 777454, 1166181, 1943635, 2332362, 2721089, 3887270, 5442178, 5830905, 8163267, 11661810, 13605445, 16326534, 27210890, 40816335, 81632670]

約数ペア:

[(1, 81632670), (2, 40816335), (3, 27210890), (5, 16326534), (6, 13605445), (7, 11661810), (10, 8163267), (14, 5830905), (15, 5442178), (21, 3887270), (30, 2721089), (35, 2332362), (42, 1943635), (70, 1166181), (105, 777454), (210, 388727)]