81203815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 135613440

約数和(自身を除く): 54409625

約数列:

[1, 5, 7, 11, 17, 19, 35, 55, 77, 85, 95, 119, 133, 187, 209, 323, 385, 595, 653, 665, 935, 1045, 1309, 1463, 1615, 2261, 3265, 3553, 4571, 6545, 7183, 7315, 11101, 11305, 12407, 17765, 22855, 24871, 35915, 50281, 55505, 62035, 77707, 86849, 122111, 124355, 136477, 210919, 251405, 388535, 434245, 610555, 682385, 854777, 955339, 1054595, 1476433, 2320109, 4273885, 4776695, 7382165, 11600545, 16240763, 81203815]

約数ペア:

[(1, 81203815), (5, 16240763), (7, 11600545), (11, 7382165), (17, 4776695), (19, 4273885), (35, 2320109), (55, 1476433), (77, 1054595), (85, 955339), (95, 854777), (119, 682385), (133, 610555), (187, 434245), (209, 388535), (323, 251405), (385, 210919), (595, 136477), (653, 124355), (665, 122111), (935, 86849), (1045, 77707), (1309, 62035), (1463, 55505), (1615, 50281), (2261, 35915), (3265, 24871), (3553, 22855), (4571, 17765), (6545, 12407), (7183, 11305), (7315, 11101)]