25395138

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 57687552

約数和(自身を除く): 32292414

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 71, 93, 142, 186, 213, 279, 426, 558, 639, 641, 1278, 1282, 1923, 2201, 3846, 4402, 5769, 6603, 11538, 13206, 19809, 19871, 39618, 39742, 45511, 59613, 91022, 119226, 136533, 178839, 273066, 357678, 409599, 819198, 1410841, 2821682, 4232523, 8465046, 12697569, 25395138]

約数ペア:

[(1, 25395138), (2, 12697569), (3, 8465046), (6, 4232523), (9, 2821682), (18, 1410841), (31, 819198), (62, 409599), (71, 357678), (93, 273066), (142, 178839), (186, 136533), (213, 119226), (279, 91022), (426, 59613), (558, 45511), (639, 39742), (641, 39618), (1278, 19871), (1282, 19809), (1923, 13206), (2201, 11538), (3846, 6603), (4402, 5769)]