28897029885031

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1871}}^1\times {\mathrm{8720891}}^1$

素因数の和:8722803

約数の個数: 32

約数和(自身を含む): 37613974634496

約数和(自身を除く): 8716944749465

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 1871, 13097, 20581, 43033, 144067, 301231, 473363, 3313541, 8720891, 61046237, 95929801, 200580493, 671508607, 1404063451, 2206385423, 15444697961, 16316787061, 114217509427, 179484657671, 375286102403, 1256392603697, 2627002716821, 4128147126433, 28897029885031]

約数ペア:

[(1, 28897029885031), (7, 4128147126433), (11, 2627002716821), (23, 1256392603697), (77, 375286102403), (161, 179484657671), (253, 114217509427), (1771, 16316787061), (1871, 15444697961), (13097, 2206385423), (20581, 1404063451), (43033, 671508607), (144067, 200580493), (301231, 95929801), (473363, 61046237), (3313541, 8720891)]