256305244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{823}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 497109312

約数和(自身を除く): 240804068

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 113, 212, 226, 452, 689, 823, 1378, 1469, 1646, 2756, 2938, 3292, 5876, 5989, 10699, 11978, 21398, 23956, 42796, 43619, 77857, 87238, 92999, 155714, 174476, 185998, 311428, 371996, 567047, 1134094, 1208987, 2268188, 2417974, 4835948, 4928947, 9857894, 19715788, 64076311, 128152622, 256305244]

約数ペア:

[(1, 256305244), (2, 128152622), (4, 64076311), (13, 19715788), (26, 9857894), (52, 4928947), (53, 4835948), (106, 2417974), (113, 2268188), (212, 1208987), (226, 1134094), (452, 567047), (689, 371996), (823, 311428), (1378, 185998), (1469, 174476), (1646, 155714), (2756, 92999), (2938, 87238), (3292, 77857), (5876, 43619), (5989, 42796), (10699, 23956), (11978, 21398)]