2018784859

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1061}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 2644125120

約数和(自身を除く): 625340261

約数列:

[1, 7, 13, 29, 49, 91, 103, 203, 377, 637, 721, 1061, 1339, 1421, 2639, 2987, 5047, 7427, 9373, 13793, 18473, 20909, 30769, 38831, 51989, 65611, 96551, 109283, 146363, 215383, 271817, 399997, 675857, 764981, 1420679, 1507681, 1902719, 2799979, 3169207, 5354867, 9944753, 19599853, 22184449, 41199691, 69613271, 155291143, 288397837, 2018784859]

約数ペア:

[(1, 2018784859), (7, 288397837), (13, 155291143), (29, 69613271), (49, 41199691), (91, 22184449), (103, 19599853), (203, 9944753), (377, 5354867), (637, 3169207), (721, 2799979), (1061, 1902719), (1339, 1507681), (1421, 1420679), (2639, 764981), (2987, 675857), (5047, 399997), (7427, 271817), (9373, 215383), (13793, 146363), (18473, 109283), (20909, 96551), (30769, 65611), (38831, 51989)]