28002172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10433}}^1$

素因数の和:10509

約数の個数: 24

約数和(自身を含む): 54340272

約数和(自身を除く): 26338100

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 10433, 20866, 41732, 114763, 229526, 459052, 636413, 1272826, 2545652, 7000543, 14001086, 28002172]

約数ペア:

[(1, 28002172), (2, 14001086), (4, 7000543), (11, 2545652), (22, 1272826), (44, 636413), (61, 459052), (122, 229526), (244, 114763), (671, 41732), (1342, 20866), (2684, 10433)]