28640248

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39341}}^1$

素因数の和:39367

約数の個数: 32

約数和(自身を含む): 66094560

約数和(自身を除く): 37454312

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 39341, 78682, 157364, 275387, 314728, 511433, 550774, 1022866, 1101548, 2045732, 2203096, 3580031, 4091464, 7160062, 14320124, 28640248]

約数ペア:

[(1, 28640248), (2, 14320124), (4, 7160062), (7, 4091464), (8, 3580031), (13, 2203096), (14, 2045732), (26, 1101548), (28, 1022866), (52, 550774), (56, 511433), (91, 314728), (104, 275387), (182, 157364), (364, 78682), (728, 39341)]