90875456

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2857}}^1$

素因数の和:2947

約数の個数: 56

約数和(自身を含む): 209068416

約数和(自身を除く): 118192960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 2857, 3976, 4544, 5714, 7952, 11428, 15904, 19999, 22856, 31808, 39998, 45712, 79996, 91424, 159992, 182848, 202847, 319984, 405694, 639968, 811388, 1279936, 1419929, 1622776, 2839858, 3245552, 5679716, 6491104, 11359432, 12982208, 22718864, 45437728, 90875456]

約数ペア:

[(1, 90875456), (2, 45437728), (4, 22718864), (7, 12982208), (8, 11359432), (14, 6491104), (16, 5679716), (28, 3245552), (32, 2839858), (56, 1622776), (64, 1419929), (71, 1279936), (112, 811388), (142, 639968), (224, 405694), (284, 319984), (448, 202847), (497, 182848), (568, 159992), (994, 91424), (1136, 79996), (1988, 45712), (2272, 39998), (2857, 31808), (3976, 22856), (4544, 19999), (5714, 15904), (7952, 11428)]