31712216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 67046400

約数和(自身を除く): 35334184

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 47, 76, 92, 94, 152, 184, 188, 193, 376, 386, 437, 772, 874, 893, 1081, 1544, 1748, 1786, 2162, 3496, 3572, 3667, 4324, 4439, 7144, 7334, 8648, 8878, 9071, 14668, 17756, 18142, 20539, 29336, 35512, 36284, 41078, 72568, 82156, 84341, 164312, 168682, 172349, 208633, 337364, 344698, 417266, 674728, 689396, 834532, 1378792, 1669064, 3964027, 7928054, 15856108, 31712216]

約数ペア:

[(1, 31712216), (2, 15856108), (4, 7928054), (8, 3964027), (19, 1669064), (23, 1378792), (38, 834532), (46, 689396), (47, 674728), (76, 417266), (92, 344698), (94, 337364), (152, 208633), (184, 172349), (188, 168682), (193, 164312), (376, 84341), (386, 82156), (437, 72568), (772, 41078), (874, 36284), (893, 35512), (1081, 29336), (1544, 20539), (1748, 18142), (1786, 17756), (2162, 14668), (3496, 9071), (3572, 8878), (3667, 8648), (4324, 7334), (4439, 7144)]