291220091210

素因数分解:

$2^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{42144731}}^1$

素因数の和:42145429

約数の個数: 16

約数和(自身を含む): 524954781792

約数和(自身を除く): 233734690582

約数列:

[1, 2, 5, 10, 691, 1382, 3455, 6910, 42144731, 84289462, 210723655, 421447310, 29122009121, 58244018242, 145610045605, 291220091210]

約数ペア:

[(1, 291220091210), (2, 145610045605), (5, 58244018242), (10, 29122009121), (691, 421447310), (1382, 210723655), (3455, 84289462), (6910, 42144731)]