289401814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 475735680

約数和(自身を除く): 186333866

約数列:

[1, 2, 13, 26, 113, 137, 226, 274, 719, 1438, 1469, 1781, 2938, 3562, 9347, 15481, 18694, 30962, 81247, 98503, 162494, 197006, 201253, 402506, 1056211, 1280539, 2112422, 2561078, 11130839, 22261678, 144700907, 289401814]

約数ペア:

[(1, 289401814), (2, 144700907), (13, 22261678), (26, 11130839), (113, 2561078), (137, 2112422), (226, 1280539), (274, 1056211), (719, 402506), (1438, 201253), (1469, 197006), (1781, 162494), (2938, 98503), (3562, 81247), (9347, 30962), (15481, 18694)]