266883766

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:253

約数の個数: 64

約数和(自身を含む): 460339200

約数和(自身を除く): 193455434

約数列:

[1, 2, 19, 23, 38, 46, 47, 73, 89, 94, 146, 178, 437, 874, 893, 1081, 1387, 1679, 1691, 1786, 2047, 2162, 2774, 3358, 3382, 3431, 4094, 4183, 6497, 6862, 8366, 12994, 20539, 31901, 38893, 41078, 63802, 65189, 77786, 78913, 79477, 96209, 123443, 130378, 149431, 157826, 158954, 192418, 246886, 298862, 305359, 610718, 1499347, 1827971, 2839189, 2998694, 3655942, 5678378, 5801821, 7023257, 11603642, 14046514, 133441883, 266883766]

約数ペア:

[(1, 266883766), (2, 133441883), (19, 14046514), (23, 11603642), (38, 7023257), (46, 5801821), (47, 5678378), (73, 3655942), (89, 2998694), (94, 2839189), (146, 1827971), (178, 1499347), (437, 610718), (874, 305359), (893, 298862), (1081, 246886), (1387, 192418), (1679, 158954), (1691, 157826), (1786, 149431), (2047, 130378), (2162, 123443), (2774, 96209), (3358, 79477), (3382, 78913), (3431, 77786), (4094, 65189), (4183, 63802), (6497, 41078), (6862, 38893), (8366, 31901), (12994, 20539)]