28743722

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{3203}}^1$

素因数の和:3853

約数の個数: 16

約数和(自身を含む): 49367232

約数和(自身を除く): 20623510

約数列:

[1, 2, 7, 14, 641, 1282, 3203, 4487, 6406, 8974, 22421, 44842, 2053123, 4106246, 14371861, 28743722]

約数ペア:

[(1, 28743722), (2, 14371861), (7, 4106246), (14, 2053123), (641, 44842), (1282, 22421), (3203, 8974), (4487, 6406)]