213352321

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4999}}^1$

素因数の和:5093

約数の個数: 24

約数和(自身を含む): 271320000

約数和(自身を除く): 57967679

約数列:

[1, 7, 13, 49, 67, 91, 469, 637, 871, 3283, 4999, 6097, 34993, 42679, 64987, 244951, 334933, 454909, 2344531, 3184363, 4354129, 16411717, 30478903, 213352321]

約数ペア:

[(1, 213352321), (7, 30478903), (13, 16411717), (49, 4354129), (67, 3184363), (91, 2344531), (469, 454909), (637, 334933), (871, 244951), (3283, 64987), (4999, 42679), (6097, 34993)]