12780468

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{3257}}^1$

素因数の和:3376

約数の個数: 36

約数和(自身を含む): 32612580

約数和(自身を除く): 19832112

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3257, 3924, 6514, 9771, 13028, 19542, 29313, 39084, 58626, 117252, 355013, 710026, 1065039, 1420052, 2130078, 3195117, 4260156, 6390234, 12780468]

約数ペア:

[(1, 12780468), (2, 6390234), (3, 4260156), (4, 3195117), (6, 2130078), (9, 1420052), (12, 1065039), (18, 710026), (36, 355013), (109, 117252), (218, 58626), (327, 39084), (436, 29313), (654, 19542), (981, 13028), (1308, 9771), (1962, 6514), (3257, 3924)]