28656278

素因数分解:

$2^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{1129}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 51528000

約数和(自身を除く): 22871722

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 343, 518, 686, 1129, 1813, 2258, 3626, 7903, 12691, 15806, 25382, 41773, 55321, 83546, 110642, 292411, 387247, 584822, 774494, 2046877, 4093754, 14328139, 28656278]

約数ペア:

[(1, 28656278), (2, 14328139), (7, 4093754), (14, 2046877), (37, 774494), (49, 584822), (74, 387247), (98, 292411), (259, 110642), (343, 83546), (518, 55321), (686, 41773), (1129, 25382), (1813, 15806), (2258, 12691), (3626, 7903)]