291290025988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1\times {\mathrm{34607}}^1$

素因数の和:35812

約数の個数: 48

約数和(自身を含む): 553018120704

約数和(自身を除く): 261728094716

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 1031, 2041, 2062, 4082, 4124, 8164, 13403, 26806, 34607, 53612, 69214, 138428, 161867, 323734, 449891, 647468, 899782, 1799564, 2104271, 4208542, 5433299, 8417084, 10866598, 21733196, 35679817, 70632887, 71359634, 141265774, 142719268, 282531548, 463837621, 927675242, 1855350484, 5601731269, 11203462538, 22406925076, 72822506497, 145645012994, 291290025988]

約数ペア:

[(1, 291290025988), (2, 145645012994), (4, 72822506497), (13, 22406925076), (26, 11203462538), (52, 5601731269), (157, 1855350484), (314, 927675242), (628, 463837621), (1031, 282531548), (2041, 142719268), (2062, 141265774), (4082, 71359634), (4124, 70632887), (8164, 35679817), (13403, 21733196), (26806, 10866598), (34607, 8417084), (53612, 5433299), (69214, 4208542), (138428, 2104271), (161867, 1799564), (323734, 899782), (449891, 647468)]