1890019985

素因数分解:

$5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{107357}}^1$

素因数の和:107872

約数の個数: 16

約数和(自身を含む): 2597204736

約数和(自身を除く): 707184751

約数列:

[1, 5, 7, 35, 503, 2515, 3521, 17605, 107357, 536785, 751499, 3757495, 54000571, 270002855, 378003997, 1890019985]

約数ペア:

[(1, 1890019985), (5, 378003997), (7, 270002855), (35, 54000571), (503, 3757495), (2515, 751499), (3521, 536785), (17605, 107357)]