1978715078

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{131581}}^1$

素因数の和:131759

約数の個数: 16

約数和(自身を含む): 3037965216

約数和(自身を除く): 1059250138

約数列:

[1, 2, 73, 103, 146, 206, 7519, 15038, 131581, 263162, 9605413, 13552843, 19210826, 27105686, 989357539, 1978715078]

約数ペア:

[(1, 1978715078), (2, 989357539), (73, 27105686), (103, 19210826), (146, 13552843), (206, 9605413), (7519, 263162), (15038, 131581)]