86834690

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{349}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 158760000

約数和(自身を除く): 71925310

約数列:

[1, 2, 5, 10, 139, 179, 278, 349, 358, 695, 698, 895, 1390, 1745, 1790, 3490, 24881, 48511, 49762, 62471, 97022, 124405, 124942, 242555, 248810, 312355, 485110, 624710, 8683469, 17366938, 43417345, 86834690]

約数ペア:

[(1, 86834690), (2, 43417345), (5, 17366938), (10, 8683469), (139, 624710), (179, 485110), (278, 312355), (349, 248810), (358, 242555), (695, 124942), (698, 124405), (895, 97022), (1390, 62471), (1745, 49762), (1790, 48511), (3490, 24881)]