31211894

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 55292160

約数和(自身を除く): 24080266

約数列:

[1, 2, 7, 14, 43, 86, 139, 278, 301, 373, 602, 746, 973, 1946, 2611, 5222, 5977, 11954, 16039, 32078, 41839, 51847, 83678, 103694, 112273, 224546, 362929, 725858, 2229421, 4458842, 15605947, 31211894]

約数ペア:

[(1, 31211894), (2, 15605947), (7, 4458842), (14, 2229421), (43, 725858), (86, 362929), (139, 224546), (278, 112273), (301, 103694), (373, 83678), (602, 51847), (746, 41839), (973, 32078), (1946, 16039), (2611, 11954), (5222, 5977)]