257471984

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2029}}^1$

素因数の和:2158

約数の個数: 80

約数和(自身を含む): 628293120

約数和(自身を除く): 370821136

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 103, 112, 154, 176, 206, 308, 412, 616, 721, 824, 1133, 1232, 1442, 1648, 2029, 2266, 2884, 4058, 4532, 5768, 7931, 8116, 9064, 11536, 14203, 15862, 16232, 18128, 22319, 28406, 31724, 32464, 44638, 56812, 63448, 89276, 113624, 126896, 156233, 178552, 208987, 227248, 312466, 357104, 417974, 624932, 835948, 1249864, 1462909, 1671896, 2298857, 2499728, 2925818, 3343792, 4597714, 5851636, 9195428, 11703272, 16091999, 18390856, 23406544, 32183998, 36781712, 64367996, 128735992, 257471984]

約数ペア:

[(1, 257471984), (2, 128735992), (4, 64367996), (7, 36781712), (8, 32183998), (11, 23406544), (14, 18390856), (16, 16091999), (22, 11703272), (28, 9195428), (44, 5851636), (56, 4597714), (77, 3343792), (88, 2925818), (103, 2499728), (112, 2298857), (154, 1671896), (176, 1462909), (206, 1249864), (308, 835948), (412, 624932), (616, 417974), (721, 357104), (824, 312466), (1133, 227248), (1232, 208987), (1442, 178552), (1648, 156233), (2029, 126896), (2266, 113624), (2884, 89276), (4058, 63448), (4532, 56812), (5768, 44638), (7931, 32464), (8116, 31724), (9064, 28406), (11536, 22319), (14203, 18128), (15862, 16232)]