1269000005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2789011}}^1$

素因数の和:2789036

約数の個数: 16

約数和(自身を含む): 1874216064

約数和(自身を除く): 605216059

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 2789011, 13945055, 19523077, 36257143, 97615385, 181285715, 253800001, 1269000005]

約数ペア:

[(1, 1269000005), (5, 253800001), (7, 181285715), (13, 97615385), (35, 36257143), (65, 19523077), (91, 13945055), (455, 2789011)]