2166970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 32

約数和(自身を含む): 4273920

約数和(自身を除く): 2106950

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 211, 395, 422, 790, 1027, 1055, 2054, 2110, 2743, 5135, 5486, 10270, 13715, 16669, 27430, 33338, 83345, 166690, 216697, 433394, 1083485, 2166970]

約数ペア:

[(1, 2166970), (2, 1083485), (5, 433394), (10, 216697), (13, 166690), (26, 83345), (65, 33338), (79, 27430), (130, 16669), (158, 13715), (211, 10270), (395, 5486), (422, 5135), (790, 2743), (1027, 2110), (1055, 2054)]