640346292

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{573787}}^1$

素因数の和:573828

約数の個数: 36

約数和(自身を含む): 1670870656

約数和(自身を除く): 1030524364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 573787, 1147574, 1721361, 2295148, 3442722, 5164083, 6885444, 10328166, 17787397, 20656332, 35574794, 53362191, 71149588, 106724382, 160086573, 213448764, 320173146, 640346292]

約数ペア:

[(1, 640346292), (2, 320173146), (3, 213448764), (4, 160086573), (6, 106724382), (9, 71149588), (12, 53362191), (18, 35574794), (31, 20656332), (36, 17787397), (62, 10328166), (93, 6885444), (124, 5164083), (186, 3442722), (279, 2295148), (372, 1721361), (558, 1147574), (1116, 573787)]