25901824

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 57289232

約数和(自身を除く): 31387408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 181, 208, 256, 344, 362, 416, 559, 688, 724, 832, 1118, 1376, 1448, 1664, 2236, 2353, 2752, 2896, 3328, 4472, 4706, 5504, 5792, 7783, 8944, 9412, 11008, 11584, 15566, 17888, 18824, 23168, 31132, 35776, 37648, 46336, 62264, 71552, 75296, 101179, 124528, 143104, 150592, 202358, 249056, 301184, 404716, 498112, 602368, 809432, 996224, 1618864, 1992448, 3237728, 6475456, 12950912, 25901824]

約数ペア:

[(1, 25901824), (2, 12950912), (4, 6475456), (8, 3237728), (13, 1992448), (16, 1618864), (26, 996224), (32, 809432), (43, 602368), (52, 498112), (64, 404716), (86, 301184), (104, 249056), (128, 202358), (172, 150592), (181, 143104), (208, 124528), (256, 101179), (344, 75296), (362, 71552), (416, 62264), (559, 46336), (688, 37648), (724, 35776), (832, 31132), (1118, 23168), (1376, 18824), (1448, 17888), (1664, 15566), (2236, 11584), (2353, 11008), (2752, 9412), (2896, 8944), (3328, 7783), (4472, 5792), (4706, 5504)]