28918340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131447}}^1$

素因数の和:131467

約数の個数: 24

約数和(自身を含む): 66249792

約数和(自身を除く): 37331452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 131447, 262894, 525788, 657235, 1314470, 1445917, 2628940, 2891834, 5783668, 7229585, 14459170, 28918340]

約数ペア:

[(1, 28918340), (2, 14459170), (4, 7229585), (5, 5783668), (10, 2891834), (11, 2628940), (20, 1445917), (22, 1314470), (44, 657235), (55, 525788), (110, 262894), (220, 131447)]