128724

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{631}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 318528

約数和(自身を除く): 189804

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 631, 1262, 1893, 2524, 3786, 7572, 10727, 21454, 32181, 42908, 64362, 128724]

約数ペア:

[(1, 128724), (2, 64362), (3, 42908), (4, 32181), (6, 21454), (12, 10727), (17, 7572), (34, 3786), (51, 2524), (68, 1893), (102, 1262), (204, 631)]