25311385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 37231488

約数和(自身を除く): 11920103

約数列:

[1, 5, 11, 17, 23, 55, 85, 107, 115, 121, 187, 253, 391, 535, 605, 935, 1177, 1265, 1819, 1955, 2057, 2461, 2783, 4301, 5885, 9095, 10285, 12305, 12947, 13915, 20009, 21505, 27071, 41837, 47311, 64735, 100045, 135355, 209185, 220099, 236555, 297781, 460207, 1100495, 1488905, 2301035, 5062277, 25311385]

約数ペア:

[(1, 25311385), (5, 5062277), (11, 2301035), (17, 1488905), (23, 1100495), (55, 460207), (85, 297781), (107, 236555), (115, 220099), (121, 209185), (187, 135355), (253, 100045), (391, 64735), (535, 47311), (605, 41837), (935, 27071), (1177, 21505), (1265, 20009), (1819, 13915), (1955, 12947), (2057, 12305), (2461, 10285), (2783, 9095), (4301, 5885)]