28381922

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{3889}}^1$

素因数の和:4021

約数の個数: 16

約数和(自身を含む): 44112600

約数和(自身を除く): 15730678

約数列:

[1, 2, 41, 82, 89, 178, 3649, 3889, 7298, 7778, 159449, 318898, 346121, 692242, 14190961, 28381922]

約数ペア:

[(1, 28381922), (2, 14190961), (41, 692242), (82, 346121), (89, 318898), (178, 159449), (3649, 7778), (3889, 7298)]