1288887455

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{2371}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 1680514560

約数和(自身を除く): 391627105

約数列:

[1, 5, 23, 29, 115, 145, 163, 667, 815, 2371, 3335, 3749, 4727, 11855, 18745, 23635, 54533, 68759, 108721, 272665, 343795, 386473, 543605, 1581457, 1932365, 7907285, 8888879, 11207717, 44444395, 56038585, 257777491, 1288887455]

約数ペア:

[(1, 1288887455), (5, 257777491), (23, 56038585), (29, 44444395), (115, 11207717), (145, 8888879), (163, 7907285), (667, 1932365), (815, 1581457), (2371, 543605), (3335, 386473), (3749, 343795), (4727, 272665), (11855, 108721), (18745, 68759), (23635, 54533)]