25131344

素因数分解:

$2^4\times 7^1\times {\mathrm{457}}^1\times {\mathrm{491}}^1$

素因数の和:963

約数の個数: 40

約数和(自身を含む): 55883328

約数和(自身を除く): 30751984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 457, 491, 914, 982, 1828, 1964, 3199, 3437, 3656, 3928, 6398, 6874, 7312, 7856, 12796, 13748, 25592, 27496, 51184, 54992, 224387, 448774, 897548, 1570709, 1795096, 3141418, 3590192, 6282836, 12565672, 25131344]

約数ペア:

[(1, 25131344), (2, 12565672), (4, 6282836), (7, 3590192), (8, 3141418), (14, 1795096), (16, 1570709), (28, 897548), (56, 448774), (112, 224387), (457, 54992), (491, 51184), (914, 27496), (982, 25592), (1828, 13748), (1964, 12796), (3199, 7856), (3437, 7312), (3656, 6874), (3928, 6398)]