172505018

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 327794688

約数和(自身を除く): 155289670

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 103, 119, 206, 217, 227, 238, 434, 454, 527, 721, 1054, 1442, 1589, 1751, 3178, 3193, 3502, 3689, 3859, 6386, 7037, 7378, 7718, 12257, 14074, 22351, 23381, 24514, 27013, 44702, 46762, 49259, 54026, 54281, 98518, 108562, 119629, 163667, 239258, 327334, 379967, 397477, 724811, 759934, 794954, 837403, 1449622, 1674806, 2782339, 5073677, 5564678, 10147354, 12321787, 24643574, 86252509, 172505018]

約数ペア:

[(1, 172505018), (2, 86252509), (7, 24643574), (14, 12321787), (17, 10147354), (31, 5564678), (34, 5073677), (62, 2782339), (103, 1674806), (119, 1449622), (206, 837403), (217, 794954), (227, 759934), (238, 724811), (434, 397477), (454, 379967), (527, 327334), (721, 239258), (1054, 163667), (1442, 119629), (1589, 108562), (1751, 98518), (3178, 54281), (3193, 54026), (3502, 49259), (3689, 46762), (3859, 44702), (6386, 27013), (7037, 24514), (7378, 23381), (7718, 22351), (12257, 14074)]