12905038

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:963

約数の個数: 16

約数和(自身を含む): 19842480

約数和(自身を除く): 6937442

約数列:

[1, 2, 61, 122, 139, 278, 761, 1522, 8479, 16958, 46421, 92842, 105779, 211558, 6452519, 12905038]

約数ペア:

[(1, 12905038), (2, 6452519), (61, 211558), (122, 105779), (139, 92842), (278, 46421), (761, 16958), (1522, 8479)]