12940906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9643}}^1$

素因数の和:9717

約数の個数: 16

約数和(自身を含む): 21525408

約数和(自身を除く): 8584502

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 9643, 19286, 106073, 212146, 588223, 1176446, 6470453, 12940906]

約数ペア:

[(1, 12940906), (2, 6470453), (11, 1176446), (22, 588223), (61, 212146), (122, 106073), (671, 19286), (1342, 9643)]