209970874

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{17191}}^1$

素因数の和:17421

約数の個数: 16

約数和(自身を含む): 326785536

約数和(自身を除く): 116814662

約数列:

[1, 2, 31, 62, 197, 394, 6107, 12214, 17191, 34382, 532921, 1065842, 3386627, 6773254, 104985437, 209970874]

約数ペア:

[(1, 209970874), (2, 104985437), (31, 6773254), (62, 3386627), (197, 1065842), (394, 532921), (6107, 34382), (12214, 17191)]