28663138

素因数分解:

$2^1\times 7^4\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 40

約数和(自身を含む): 51628032

約数和(自身を除く): 22964894

約数列:

[1, 2, 7, 14, 47, 49, 94, 98, 127, 254, 329, 343, 658, 686, 889, 1778, 2303, 2401, 4606, 4802, 5969, 6223, 11938, 12446, 16121, 32242, 41783, 43561, 83566, 87122, 112847, 225694, 292481, 304927, 584962, 609854, 2047367, 4094734, 14331569, 28663138]

約数ペア:

[(1, 28663138), (2, 14331569), (7, 4094734), (14, 2047367), (47, 609854), (49, 584962), (94, 304927), (98, 292481), (127, 225694), (254, 112847), (329, 87122), (343, 83566), (658, 43561), (686, 41783), (889, 32242), (1778, 16121), (2303, 12446), (2401, 11938), (4606, 6223), (4802, 5969)]