278345298834

素因数分解:

$2^1\times 3^4\times {\mathrm{1997}}^1\times {\mathrm{860381}}^1$

素因数の和:862392

約数の個数: 40

約数和(自身を含む): 624012694668

約数和(自身を除く): 345667395834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1997, 3994, 5991, 11982, 17973, 35946, 53919, 107838, 161757, 323514, 860381, 1720762, 2581143, 5162286, 7743429, 15486858, 23230287, 46460574, 69690861, 139381722, 1718180857, 3436361714, 5154542571, 10309085142, 15463627713, 30927255426, 46390883139, 92781766278, 139172649417, 278345298834]

約数ペア:

[(1, 278345298834), (2, 139172649417), (3, 92781766278), (6, 46390883139), (9, 30927255426), (18, 15463627713), (27, 10309085142), (54, 5154542571), (81, 3436361714), (162, 1718180857), (1997, 139381722), (3994, 69690861), (5991, 46460574), (11982, 23230287), (17973, 15486858), (35946, 7743429), (53919, 5162286), (107838, 2581143), (161757, 1720762), (323514, 860381)]