28784514

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{1697}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 63084096

約数和(自身を除く): 34299582

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 257, 514, 771, 1542, 1697, 2827, 3394, 5091, 5654, 8481, 10182, 16962, 18667, 37334, 56001, 112002, 436129, 872258, 1308387, 2616774, 4797419, 9594838, 14392257, 28784514]

約数ペア:

[(1, 28784514), (2, 14392257), (3, 9594838), (6, 4797419), (11, 2616774), (22, 1308387), (33, 872258), (66, 436129), (257, 112002), (514, 56001), (771, 37334), (1542, 18667), (1697, 16962), (2827, 10182), (3394, 8481), (5091, 5654)]