25290328

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8521}}^1$

素因数の和:8587

約数の個数: 32

約数和(自身を含む): 55222560

約数和(自身を除く): 29932232

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 8521, 17042, 34084, 59647, 68168, 119294, 238588, 451613, 477176, 903226, 1806452, 3161291, 3612904, 6322582, 12645164, 25290328]

約数ペア:

[(1, 25290328), (2, 12645164), (4, 6322582), (7, 3612904), (8, 3161291), (14, 1806452), (28, 903226), (53, 477176), (56, 451613), (106, 238588), (212, 119294), (371, 68168), (424, 59647), (742, 34084), (1484, 17042), (2968, 8521)]