218821603648

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{171529}}^1$

素因数の和:172215

約数の個数: 56

約数和(自身を含む): 448931060480

約数和(自身を除く): 230109456832

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 643, 992, 1286, 1984, 2572, 5144, 10288, 19933, 20576, 39866, 41152, 79732, 159464, 171529, 318928, 343058, 637856, 686116, 1275712, 1372232, 2744464, 5317399, 5488928, 10634798, 10977856, 21269596, 42539192, 85078384, 110293147, 170156768, 220586294, 340313536, 441172588, 882345176, 1764690352, 3419087557, 3529380704, 6838175114, 7058761408, 13676350228, 27352700456, 54705400912, 109410801824, 218821603648]

約数ペア:

[(1, 218821603648), (2, 109410801824), (4, 54705400912), (8, 27352700456), (16, 13676350228), (31, 7058761408), (32, 6838175114), (62, 3529380704), (64, 3419087557), (124, 1764690352), (248, 882345176), (496, 441172588), (643, 340313536), (992, 220586294), (1286, 170156768), (1984, 110293147), (2572, 85078384), (5144, 42539192), (10288, 21269596), (19933, 10977856), (20576, 10634798), (39866, 5488928), (41152, 5317399), (79732, 2744464), (159464, 1372232), (171529, 1275712), (318928, 686116), (343058, 637856)]