217470918

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 510451200

約数和(自身を除く): 292980282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 251, 294, 343, 421, 502, 686, 753, 842, 1029, 1263, 1506, 1757, 2058, 2526, 2947, 3514, 5271, 5894, 8841, 10542, 12299, 17682, 20629, 24598, 36897, 41258, 61887, 73794, 86093, 105671, 123774, 144403, 172186, 211342, 258279, 288806, 317013, 433209, 516558, 634026, 739697, 866418, 1479394, 2219091, 4438182, 5177879, 10355758, 15533637, 31067274, 36245153, 72490306, 108735459, 217470918]

約数ペア:

[(1, 217470918), (2, 108735459), (3, 72490306), (6, 36245153), (7, 31067274), (14, 15533637), (21, 10355758), (42, 5177879), (49, 4438182), (98, 2219091), (147, 1479394), (251, 866418), (294, 739697), (343, 634026), (421, 516558), (502, 433209), (686, 317013), (753, 288806), (842, 258279), (1029, 211342), (1263, 172186), (1506, 144403), (1757, 123774), (2058, 105671), (2526, 86093), (2947, 73794), (3514, 61887), (5271, 41258), (5894, 36897), (8841, 24598), (10542, 20629), (12299, 17682)]