64721818

素因数分解:

$2^1\times 7^1\times {\mathrm{1063}}^1\times {\mathrm{4349}}^1$

素因数の和:5421

約数の個数: 16

約数和(自身を含む): 111081600

約数和(自身を除く): 46359782

約数列:

[1, 2, 7, 14, 1063, 2126, 4349, 7441, 8698, 14882, 30443, 60886, 4622987, 9245974, 32360909, 64721818]

約数ペア:

[(1, 64721818), (2, 32360909), (7, 9245974), (14, 4622987), (1063, 60886), (2126, 30443), (4349, 14882), (7441, 8698)]