728480620556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{20816111}}^1$

素因数の和:20816801

約数の個数: 24

約数和(自身を含む): 1374945829824

約数和(自身を除く): 646465209268

約数列:

[1, 2, 4, 13, 26, 52, 673, 1346, 2692, 8749, 17498, 34996, 20816111, 41632222, 83264444, 270609443, 541218886, 1082437772, 14009242703, 28018485406, 56036970812, 182120155139, 364240310278, 728480620556]

約数ペア:

[(1, 728480620556), (2, 364240310278), (4, 182120155139), (13, 56036970812), (26, 28018485406), (52, 14009242703), (673, 1082437772), (1346, 541218886), (2692, 270609443), (8749, 83264444), (17498, 41632222), (34996, 20816111)]