25393564

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 55617408

約数和(自身を除く): 30223844

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 49, 86, 92, 98, 131, 161, 172, 196, 262, 301, 322, 524, 602, 644, 917, 989, 1127, 1204, 1834, 1978, 2107, 2254, 3013, 3668, 3956, 4214, 4508, 5633, 6026, 6419, 6923, 8428, 11266, 12052, 12838, 13846, 21091, 22532, 25676, 27692, 39431, 42182, 48461, 78862, 84364, 96922, 129559, 147637, 157724, 193844, 259118, 276017, 295274, 518236, 552034, 590548, 906913, 1104068, 1813826, 3627652, 6348391, 12696782, 25393564]

約数ペア:

[(1, 25393564), (2, 12696782), (4, 6348391), (7, 3627652), (14, 1813826), (23, 1104068), (28, 906913), (43, 590548), (46, 552034), (49, 518236), (86, 295274), (92, 276017), (98, 259118), (131, 193844), (161, 157724), (172, 147637), (196, 129559), (262, 96922), (301, 84364), (322, 78862), (524, 48461), (602, 42182), (644, 39431), (917, 27692), (989, 25676), (1127, 22532), (1204, 21091), (1834, 13846), (1978, 12838), (2107, 12052), (2254, 11266), (3013, 8428), (3668, 6923), (3956, 6419), (4214, 6026), (4508, 5633)]