199322864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{20389}}^1$

素因数の和:20457

約数の個数: 40

約数和(自身を含む): 424764480

約数和(自身を除く): 225441616

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 20389, 40778, 81556, 163112, 265057, 326224, 530114, 958283, 1060228, 1916566, 2120456, 3833132, 4240912, 7666264, 12457679, 15332528, 24915358, 49830716, 99661432, 199322864]

約数ペア:

[(1, 199322864), (2, 99661432), (4, 49830716), (8, 24915358), (13, 15332528), (16, 12457679), (26, 7666264), (47, 4240912), (52, 3833132), (94, 2120456), (104, 1916566), (188, 1060228), (208, 958283), (376, 530114), (611, 326224), (752, 265057), (1222, 163112), (2444, 81556), (4888, 40778), (9776, 20389)]