71473661

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 90720000

約数和(自身を除く): 19246339

約数列:

[1, 7, 17, 29, 119, 139, 149, 203, 493, 973, 1043, 2363, 2533, 3451, 4031, 4321, 16541, 17731, 20711, 28217, 30247, 68527, 73457, 144977, 352087, 479689, 514199, 600619, 2464609, 4204333, 10210523, 71473661]

約数ペア:

[(1, 71473661), (7, 10210523), (17, 4204333), (29, 2464609), (119, 600619), (139, 514199), (149, 479689), (203, 352087), (493, 144977), (973, 73457), (1043, 68527), (2363, 30247), (2533, 28217), (3451, 20711), (4031, 17731), (4321, 16541)]