989819155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{953}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 1395969120

約数和(自身を除く): 406149965

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 377, 551, 841, 953, 1235, 1885, 2755, 4205, 4765, 7163, 10933, 12389, 15979, 18107, 27637, 35815, 54665, 61945, 79895, 90535, 138185, 207727, 235391, 359281, 525103, 801473, 1038635, 1176955, 1796405, 2625515, 4007365, 6826339, 10419149, 15227987, 34131695, 52095745, 76139935, 197963831, 989819155]

約数ペア:

[(1, 989819155), (5, 197963831), (13, 76139935), (19, 52095745), (29, 34131695), (65, 15227987), (95, 10419149), (145, 6826339), (247, 4007365), (377, 2625515), (551, 1796405), (841, 1176955), (953, 1038635), (1235, 801473), (1885, 525103), (2755, 359281), (4205, 235391), (4765, 207727), (7163, 138185), (10933, 90535), (12389, 79895), (15979, 61945), (18107, 54665), (27637, 35815)]