647085506

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{197}}^1\times {\mathrm{1709}}^1$

素因数の和:1970

約数の個数: 24

約数和(自身を含む): 1008629820

約数和(自身を除く): 361544314

約数列:

[1, 2, 31, 62, 197, 394, 961, 1709, 1922, 3418, 6107, 12214, 52979, 105958, 189317, 336673, 378634, 673346, 1642349, 3284698, 10436863, 20873726, 323542753, 647085506]

約数ペア:

[(1, 647085506), (2, 323542753), (31, 20873726), (62, 10436863), (197, 3284698), (394, 1642349), (961, 673346), (1709, 378634), (1922, 336673), (3418, 189317), (6107, 105958), (12214, 52979)]