1980921598

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{642739}}^1$

素因数の和:642831

約数の個数: 16

約数和(自身を含む): 3146855040

約数和(自身を除く): 1165933442

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 642739, 1285478, 14782997, 29565994, 43063513, 86127026, 990460799, 1980921598]

約数ペア:

[(1, 1980921598), (2, 990460799), (23, 86127026), (46, 43063513), (67, 29565994), (134, 14782997), (1541, 1285478), (3082, 642739)]