1561567254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{20020093}}^1$

素因数の和:20020111

約数の個数: 16

約数和(自身を含む): 3363375792

約数和(自身を除く): 1801808538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 20020093, 40040186, 60060279, 120120558, 260261209, 520522418, 780783627, 1561567254]

約数ペア:

[(1, 1561567254), (2, 780783627), (3, 520522418), (6, 260261209), (13, 120120558), (26, 60060279), (39, 40040186), (78, 20020093)]