25641224

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6449}}^1$

素因数の和:6533

約数の個数: 32

約数和(自身を含む): 55728000

約数和(自身を除く): 30086776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 6449, 12898, 25796, 45143, 51592, 90286, 180572, 361144, 457879, 915758, 1831516, 3205153, 3663032, 6410306, 12820612, 25641224]

約数ペア:

[(1, 25641224), (2, 12820612), (4, 6410306), (7, 3663032), (8, 3205153), (14, 1831516), (28, 915758), (56, 457879), (71, 361144), (142, 180572), (284, 90286), (497, 51592), (568, 45143), (994, 25796), (1988, 12898), (3976, 6449)]