1978388

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 3598560

約数和(自身を除く): 1620172

約数列:

[1, 2, 4, 59, 83, 101, 118, 166, 202, 236, 332, 404, 4897, 5959, 8383, 9794, 11918, 16766, 19588, 23836, 33532, 494597, 989194, 1978388]

約数ペア:

[(1, 1978388), (2, 989194), (4, 494597), (59, 33532), (83, 23836), (101, 19588), (118, 16766), (166, 11918), (202, 9794), (236, 8383), (332, 5959), (404, 4897)]