1921459969

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 2487324672

約数和(自身を除く): 565864703

約数列:

[1, 11, 13, 17, 47, 67, 143, 187, 221, 251, 517, 611, 737, 799, 871, 1139, 2431, 2761, 3149, 3263, 4267, 6721, 8789, 9581, 10387, 11797, 12529, 14807, 16817, 34639, 35893, 40937, 46937, 53533, 55471, 114257, 129767, 153361, 162877, 184987, 200549, 218621, 285889, 450307, 588863, 610181, 695929, 790399, 1686971, 2206039, 2404831, 2607137, 3144779, 3716557, 7655219, 8694389, 10275187, 13436783, 28678507, 40882127, 113027057, 147804613, 174678179, 1921459969]

約数ペア:

[(1, 1921459969), (11, 174678179), (13, 147804613), (17, 113027057), (47, 40882127), (67, 28678507), (143, 13436783), (187, 10275187), (221, 8694389), (251, 7655219), (517, 3716557), (611, 3144779), (737, 2607137), (799, 2404831), (871, 2206039), (1139, 1686971), (2431, 790399), (2761, 695929), (3149, 610181), (3263, 588863), (4267, 450307), (6721, 285889), (8789, 218621), (9581, 200549), (10387, 184987), (11797, 162877), (12529, 153361), (14807, 129767), (16817, 114257), (34639, 55471), (35893, 53533), (40937, 46937)]