2078003408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{322271}}^1$

素因数の和:322323

約数の個数: 40

約数和(自身を含む): 4475713536

約数和(自身を除く): 2397710128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 322271, 644542, 1289084, 2578168, 4189523, 5156336, 8379046, 9990401, 16758092, 19980802, 33516184, 39961604, 67032368, 79923208, 129875213, 159846416, 259750426, 519500852, 1039001704, 2078003408]

約数ペア:

[(1, 2078003408), (2, 1039001704), (4, 519500852), (8, 259750426), (13, 159846416), (16, 129875213), (26, 79923208), (31, 67032368), (52, 39961604), (62, 33516184), (104, 19980802), (124, 16758092), (208, 9990401), (248, 8379046), (403, 5156336), (496, 4189523), (806, 2578168), (1612, 1289084), (3224, 644542), (6448, 322271)]