12398375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 17252352

約数和(自身を除く): 4853977

約数列:

[1, 5, 11, 25, 55, 71, 125, 127, 275, 355, 635, 781, 1375, 1397, 1775, 3175, 3905, 6985, 8875, 9017, 15875, 19525, 34925, 45085, 97625, 99187, 174625, 225425, 495935, 1127125, 2479675, 12398375]

約数ペア:

[(1, 12398375), (5, 2479675), (11, 1127125), (25, 495935), (55, 225425), (71, 174625), (125, 99187), (127, 97625), (275, 45085), (355, 34925), (635, 19525), (781, 15875), (1375, 9017), (1397, 8875), (1775, 6985), (3175, 3905)]