128105005

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{54629}}^1$

素因数の和:54708

約数の個数: 16

約数和(自身を含む): 178312320

約数和(自身を除く): 50207315

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 54629, 273145, 382403, 1912015, 3660143, 18300715, 25621001, 128105005]

約数ペア:

[(1, 128105005), (5, 25621001), (7, 18300715), (35, 3660143), (67, 1912015), (335, 382403), (469, 273145), (2345, 54629)]