29991516890

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19102877}}^1$

素因数の和:19103041

約数の個数: 16

約数和(自身を含む): 54328585032

約数和(自身を除く): 24337068142

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 19102877, 38205754, 95514385, 191028770, 2999151689, 5998303378, 14995758445, 29991516890]

約数ペア:

[(1, 29991516890), (2, 14995758445), (5, 5998303378), (10, 2999151689), (157, 191028770), (314, 95514385), (785, 38205754), (1570, 19102877)]