28578082169

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{1699}}^1$

素因数の和:1950

約数の個数: 64

約数和(自身を含む): 38000793600

約数和(自身を除く): 9422711431

約数列:

[1, 7, 13, 17, 83, 91, 119, 131, 221, 581, 917, 1079, 1411, 1547, 1699, 1703, 2227, 7553, 9877, 10873, 11893, 11921, 15589, 18343, 22087, 28883, 28951, 76111, 128401, 141017, 141349, 154609, 184841, 202181, 202657, 222569, 375479, 987119, 989443, 1293887, 1557983, 1833221, 2397289, 2402933, 2628353, 2893397, 3783673, 12832547, 16781023, 16820531, 18473227, 20253779, 26485711, 31164757, 49187749, 129312589, 218153299, 240151951, 314044859, 344314243, 1681063657, 2198314013, 4082583167, 28578082169]

約数ペア:

[(1, 28578082169), (7, 4082583167), (13, 2198314013), (17, 1681063657), (83, 344314243), (91, 314044859), (119, 240151951), (131, 218153299), (221, 129312589), (581, 49187749), (917, 31164757), (1079, 26485711), (1411, 20253779), (1547, 18473227), (1699, 16820531), (1703, 16781023), (2227, 12832547), (7553, 3783673), (9877, 2893397), (10873, 2628353), (11893, 2402933), (11921, 2397289), (15589, 1833221), (18343, 1557983), (22087, 1293887), (28883, 989443), (28951, 987119), (76111, 375479), (128401, 222569), (141017, 202657), (141349, 202181), (154609, 184841)]