30985678

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{7039}}^1$

素因数の和:7143

約数の個数: 16

約数和(自身を含む): 48660480

約数和(自身を除く): 17674802

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 7039, 14078, 218209, 436418, 499769, 999538, 15492839, 30985678]

約数ペア:

[(1, 30985678), (2, 15492839), (31, 999538), (62, 499769), (71, 436418), (142, 218209), (2201, 14078), (4402, 7039)]