656313910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139939}}^1$

素因数の和:140020

約数の個数: 32

約数和(自身を含む): 1370292480

約数和(自身を除く): 713978570

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 139939, 279878, 699695, 979573, 1399390, 1959146, 4897865, 9375913, 9795730, 18751826, 46879565, 65631391, 93759130, 131262782, 328156955, 656313910]

約数ペア:

[(1, 656313910), (2, 328156955), (5, 131262782), (7, 93759130), (10, 65631391), (14, 46879565), (35, 18751826), (67, 9795730), (70, 9375913), (134, 4897865), (335, 1959146), (469, 1399390), (670, 979573), (938, 699695), (2345, 279878), (4690, 139939)]