290781232

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{20443}}^1$

素因数の和:20585

約数の個数: 40

約数和(自身を含む): 648974336

約数和(自身を除く): 358193104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 20443, 40886, 81772, 143101, 163544, 286202, 327088, 572404, 1144808, 2289616, 2596261, 5192522, 10385044, 18173827, 20770088, 36347654, 41540176, 72695308, 145390616, 290781232]

約数ペア:

[(1, 290781232), (2, 145390616), (4, 72695308), (7, 41540176), (8, 36347654), (14, 20770088), (16, 18173827), (28, 10385044), (56, 5192522), (112, 2596261), (127, 2289616), (254, 1144808), (508, 572404), (889, 327088), (1016, 286202), (1778, 163544), (2032, 143101), (3556, 81772), (7112, 40886), (14224, 20443)]