1663970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2161}}^1$

素因数の和:2186

約数の個数: 32

約数和(自身を含む): 3735936

約数和(自身を除く): 2071966

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 2161, 4322, 10805, 15127, 21610, 23771, 30254, 47542, 75635, 118855, 151270, 166397, 237710, 332794, 831985, 1663970]

約数ペア:

[(1, 1663970), (2, 831985), (5, 332794), (7, 237710), (10, 166397), (11, 151270), (14, 118855), (22, 75635), (35, 47542), (55, 30254), (70, 23771), (77, 21610), (110, 15127), (154, 10805), (385, 4322), (770, 2161)]