28971218

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{3253}}^1$

素因数の和:3389

約数の個数: 16

約数和(自身を含む): 44788056

約数和(自身を除く): 15816838

約数列:

[1, 2, 61, 73, 122, 146, 3253, 4453, 6506, 8906, 198433, 237469, 396866, 474938, 14485609, 28971218]

約数ペア:

[(1, 28971218), (2, 14485609), (61, 474938), (73, 396866), (122, 237469), (146, 198433), (3253, 8906), (4453, 6506)]