25621101

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 43467840

約数和(自身を除く): 17846739

約数列:

[1, 3, 9, 11, 19, 33, 53, 57, 99, 159, 171, 209, 257, 477, 583, 627, 771, 1007, 1749, 1881, 2313, 2827, 3021, 4883, 5247, 8481, 9063, 11077, 13621, 14649, 25443, 33231, 40863, 43947, 53713, 99693, 122589, 149831, 161139, 258799, 449493, 483417, 776397, 1348479, 2329191, 2846789, 8540367, 25621101]

約数ペア:

[(1, 25621101), (3, 8540367), (9, 2846789), (11, 2329191), (19, 1348479), (33, 776397), (53, 483417), (57, 449493), (99, 258799), (159, 161139), (171, 149831), (209, 122589), (257, 99693), (477, 53713), (583, 43947), (627, 40863), (771, 33231), (1007, 25443), (1749, 14649), (1881, 13621), (2313, 11077), (2827, 9063), (3021, 8481), (4883, 5247)]