5721640208

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{3280757}}^1$

素因数の和:3280874

約数の個数: 20

約数和(自身を含む): 11187384780

約数和(自身を除く): 5465744572

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 3280757, 6561514, 13123028, 26246056, 52492112, 357602513, 715205026, 1430410052, 2860820104, 5721640208]

約数ペア:

[(1, 5721640208), (2, 2860820104), (4, 1430410052), (8, 715205026), (16, 357602513), (109, 52492112), (218, 26246056), (436, 13123028), (872, 6561514), (1744, 3280757)]