9780851156

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{27474301}}^1$

素因数の和:27474394

約数の個数: 12

約数和(自身を含む): 17308810260

約数和(自身を除く): 7527959104

約数列:

[1, 2, 4, 89, 178, 356, 27474301, 54948602, 109897204, 2445212789, 4890425578, 9780851156]

約数ペア:

[(1, 9780851156), (2, 4890425578), (4, 2445212789), (89, 109897204), (178, 54948602), (356, 27474301)]