820147013

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1\times {\mathrm{1831}}^1$

素因数の和:2948

約数の個数: 16

約数和(自身を含む): 954105600

約数和(自身を除く): 133958587

約数列:

[1, 7, 61, 427, 1049, 1831, 7343, 12817, 63989, 111691, 447923, 781837, 1920719, 13445033, 117163859, 820147013]

約数ペア:

[(1, 820147013), (7, 117163859), (61, 13445033), (427, 1920719), (1049, 781837), (1831, 447923), (7343, 111691), (12817, 63989)]