16995276

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 45252480

約数和(自身を除く): 28257204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 73, 87, 116, 146, 174, 219, 223, 261, 292, 348, 438, 446, 522, 657, 669, 876, 892, 1044, 1314, 1338, 2007, 2117, 2628, 2676, 4014, 4234, 6351, 6467, 8028, 8468, 12702, 12934, 16279, 19053, 19401, 25404, 25868, 32558, 38106, 38802, 48837, 58203, 65116, 76212, 77604, 97674, 116406, 146511, 195348, 232812, 293022, 472091, 586044, 944182, 1416273, 1888364, 2832546, 4248819, 5665092, 8497638, 16995276]

約数ペア:

[(1, 16995276), (2, 8497638), (3, 5665092), (4, 4248819), (6, 2832546), (9, 1888364), (12, 1416273), (18, 944182), (29, 586044), (36, 472091), (58, 293022), (73, 232812), (87, 195348), (116, 146511), (146, 116406), (174, 97674), (219, 77604), (223, 76212), (261, 65116), (292, 58203), (348, 48837), (438, 38802), (446, 38106), (522, 32558), (657, 25868), (669, 25404), (876, 19401), (892, 19053), (1044, 16279), (1314, 12934), (1338, 12702), (2007, 8468), (2117, 8028), (2628, 6467), (2676, 6351), (4014, 4234)]