61986820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{442763}}^1$

素因数の和:442779

約数の個数: 24

約数和(自身を含む): 148768704

約数和(自身を除く): 86781884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 442763, 885526, 1771052, 2213815, 3099341, 4427630, 6198682, 8855260, 12397364, 15496705, 30993410, 61986820]

約数ペア:

[(1, 61986820), (2, 30993410), (4, 15496705), (5, 12397364), (7, 8855260), (10, 6198682), (14, 4427630), (20, 3099341), (28, 2213815), (35, 1771052), (70, 885526), (140, 442763)]