639566984

素因数分解:

$2^3\times 7^1\times {\mathrm{2053}}^1\times {\mathrm{5563}}^1$

素因数の和:7629

約数の個数: 32

約数和(自身を含む): 1371414720

約数和(自身を除く): 731847736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2053, 4106, 5563, 8212, 11126, 14371, 16424, 22252, 28742, 38941, 44504, 57484, 77882, 114968, 155764, 311528, 11420839, 22841678, 45683356, 79945873, 91366712, 159891746, 319783492, 639566984]

約数ペア:

[(1, 639566984), (2, 319783492), (4, 159891746), (7, 91366712), (8, 79945873), (14, 45683356), (28, 22841678), (56, 11420839), (2053, 311528), (4106, 155764), (5563, 114968), (8212, 77882), (11126, 57484), (14371, 44504), (16424, 38941), (22252, 28742)]