25218193

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 35622720

約数和(自身を除く): 10404527

約数列:

[1, 7, 11, 13, 49, 59, 61, 77, 91, 143, 413, 427, 539, 637, 649, 671, 767, 793, 1001, 2891, 2989, 3599, 4543, 4697, 5369, 5551, 7007, 8437, 8723, 25193, 31801, 32879, 37583, 38857, 39589, 46787, 59059, 61061, 176351, 277123, 327509, 413413, 427427, 514657, 1939861, 2292563, 3602599, 25218193]

約数ペア:

[(1, 25218193), (7, 3602599), (11, 2292563), (13, 1939861), (49, 514657), (59, 427427), (61, 413413), (77, 327509), (91, 277123), (143, 176351), (413, 61061), (427, 59059), (539, 46787), (637, 39589), (649, 38857), (671, 37583), (767, 32879), (793, 31801), (1001, 25193), (2891, 8723), (2989, 8437), (3599, 7007), (4543, 5551), (4697, 5369)]