12905470

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6551}}^1$

素因数の和:6755

約数の個数: 16

約数和(自身を含む): 23351328

約数和(自身を除く): 10445858

約数列:

[1, 2, 5, 10, 197, 394, 985, 1970, 6551, 13102, 32755, 65510, 1290547, 2581094, 6452735, 12905470]

約数ペア:

[(1, 12905470), (2, 6452735), (5, 2581094), (10, 1290547), (197, 65510), (394, 32755), (985, 13102), (1970, 6551)]