206840868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1325903}}^1$

素因数の和:1325923

約数の個数: 24

約数和(自身を含む): 519754368

約数和(自身を除く): 312913500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1325903, 2651806, 3977709, 5303612, 7955418, 15910836, 17236739, 34473478, 51710217, 68946956, 103420434, 206840868]

約数ペア:

[(1, 206840868), (2, 103420434), (3, 68946956), (4, 51710217), (6, 34473478), (12, 17236739), (13, 15910836), (26, 7955418), (39, 5303612), (52, 3977709), (78, 2651806), (156, 1325903)]