12989218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9679}}^1$

素因数の和:9753

約数の個数: 16

約数和(自身を含む): 21605760

約数和(自身を除く): 8616542

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 9679, 19358, 106469, 212938, 590419, 1180838, 6494609, 12989218]

約数ペア:

[(1, 12989218), (2, 6494609), (11, 1180838), (22, 590419), (61, 212938), (122, 106469), (671, 19358), (1342, 9679)]