218367648

素因数分解:

$2^5\times 3^2\times {\mathrm{421}}^1\times {\mathrm{1801}}^1$

素因数の和:2238

約数の個数: 72

約数和(自身を含む): 622803636

約数和(自身を除く): 404435988

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 421, 842, 1263, 1684, 1801, 2526, 3368, 3602, 3789, 5052, 5403, 6736, 7204, 7578, 10104, 10806, 13472, 14408, 15156, 16209, 20208, 21612, 28816, 30312, 32418, 40416, 43224, 57632, 60624, 64836, 86448, 121248, 129672, 172896, 259344, 518688, 758221, 1516442, 2274663, 3032884, 4549326, 6065768, 6823989, 9098652, 12131536, 13647978, 18197304, 24263072, 27295956, 36394608, 54591912, 72789216, 109183824, 218367648]

約数ペア:

[(1, 218367648), (2, 109183824), (3, 72789216), (4, 54591912), (6, 36394608), (8, 27295956), (9, 24263072), (12, 18197304), (16, 13647978), (18, 12131536), (24, 9098652), (32, 6823989), (36, 6065768), (48, 4549326), (72, 3032884), (96, 2274663), (144, 1516442), (288, 758221), (421, 518688), (842, 259344), (1263, 172896), (1684, 129672), (1801, 121248), (2526, 86448), (3368, 64836), (3602, 60624), (3789, 57632), (5052, 43224), (5403, 40416), (6736, 32418), (7204, 30312), (7578, 28816), (10104, 21612), (10806, 20208), (13472, 16209), (14408, 15156)]