128220218

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{66851}}^1$

素因数の和:66997

約数の個数: 16

約数和(自身を含む): 221413824

約数和(自身を除く): 93193606

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 66851, 133702, 467957, 935914, 9158587, 18317174, 64110109, 128220218]

約数ペア:

[(1, 128220218), (2, 64110109), (7, 18317174), (14, 9158587), (137, 935914), (274, 467957), (959, 133702), (1918, 66851)]