216645856

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4457}}^1$

素因数の和:4512

約数の個数: 72

約数和(自身を含む): 512277696

約数和(自身を除く): 295631840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 392, 434, 496, 784, 868, 992, 1519, 1568, 1736, 3038, 3472, 4457, 6076, 6944, 8914, 12152, 17828, 24304, 31199, 35656, 48608, 62398, 71312, 124796, 138167, 142624, 218393, 249592, 276334, 436786, 499184, 552668, 873572, 967169, 998368, 1105336, 1747144, 1934338, 2210672, 3494288, 3868676, 4421344, 6770183, 6988576, 7737352, 13540366, 15474704, 27080732, 30949408, 54161464, 108322928, 216645856]

約数ペア:

[(1, 216645856), (2, 108322928), (4, 54161464), (7, 30949408), (8, 27080732), (14, 15474704), (16, 13540366), (28, 7737352), (31, 6988576), (32, 6770183), (49, 4421344), (56, 3868676), (62, 3494288), (98, 2210672), (112, 1934338), (124, 1747144), (196, 1105336), (217, 998368), (224, 967169), (248, 873572), (392, 552668), (434, 499184), (496, 436786), (784, 276334), (868, 249592), (992, 218393), (1519, 142624), (1568, 138167), (1736, 124796), (3038, 71312), (3472, 62398), (4457, 48608), (6076, 35656), (6944, 31199), (8914, 24304), (12152, 17828)]