200930821

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 265734000

約数和(自身を除く): 64803179

約数列:

[1, 7, 13, 29, 49, 73, 91, 149, 203, 377, 511, 637, 949, 1043, 1421, 1937, 2117, 2639, 3577, 4321, 6643, 7301, 10877, 13559, 14819, 18473, 27521, 30247, 46501, 56173, 76139, 94913, 103733, 141401, 192647, 211729, 315433, 393211, 532973, 989807, 1348529, 2208031, 2752477, 4100629, 6928649, 15456217, 28704403, 200930821]

約数ペア:

[(1, 200930821), (7, 28704403), (13, 15456217), (29, 6928649), (49, 4100629), (73, 2752477), (91, 2208031), (149, 1348529), (203, 989807), (377, 532973), (511, 393211), (637, 315433), (949, 211729), (1043, 192647), (1421, 141401), (1937, 103733), (2117, 94913), (2639, 76139), (3577, 56173), (4321, 46501), (6643, 30247), (7301, 27521), (10877, 18473), (13559, 14819)]