209901902

素因数分解:

$2^1\times 7^1\times {\mathrm{1889}}^1\times {\mathrm{7937}}^1$

素因数の和:9835

約数の個数: 16

約数和(自身を含む): 360067680

約数和(自身を除く): 150165778

約数列:

[1, 2, 7, 14, 1889, 3778, 7937, 13223, 15874, 26446, 55559, 111118, 14992993, 29985986, 104950951, 209901902]

約数ペア:

[(1, 209901902), (2, 104950951), (7, 29985986), (14, 14992993), (1889, 111118), (3778, 55559), (7937, 26446), (13223, 15874)]