128640085

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{126739}}^1$

素因数の和:126780

約数の個数: 16

約数和(自身を含む): 182505600

約数和(自身を除く): 53865515

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 126739, 633695, 887173, 3675431, 4435865, 18377155, 25728017, 128640085]

約数ペア:

[(1, 128640085), (5, 25728017), (7, 18377155), (29, 4435865), (35, 3675431), (145, 887173), (203, 633695), (1015, 126739)]