209217426

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 475113600

約数和(自身を除く): 265896174

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 174, 281, 319, 389, 562, 638, 778, 843, 957, 1167, 1686, 1914, 2334, 3091, 4279, 6182, 8149, 8558, 9273, 11281, 12837, 16298, 18546, 22562, 24447, 25674, 33843, 48894, 67686, 89639, 109309, 124091, 179278, 218618, 248182, 268917, 327927, 372273, 537834, 655854, 744546, 1202399, 2404798, 3169961, 3607197, 6339922, 7214394, 9509883, 19019766, 34869571, 69739142, 104608713, 209217426]

約数ペア:

[(1, 209217426), (2, 104608713), (3, 69739142), (6, 34869571), (11, 19019766), (22, 9509883), (29, 7214394), (33, 6339922), (58, 3607197), (66, 3169961), (87, 2404798), (174, 1202399), (281, 744546), (319, 655854), (389, 537834), (562, 372273), (638, 327927), (778, 268917), (843, 248182), (957, 218618), (1167, 179278), (1686, 124091), (1914, 109309), (2334, 89639), (3091, 67686), (4279, 48894), (6182, 33843), (8149, 25674), (8558, 24447), (9273, 22562), (11281, 18546), (12837, 16298)]