78871793

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 116827200

約数和(自身を除く): 37955407

約数列:

[1, 7, 11, 13, 19, 29, 77, 91, 121, 133, 143, 169, 203, 209, 247, 319, 377, 551, 847, 1001, 1183, 1463, 1573, 1729, 1859, 2233, 2299, 2639, 2717, 3211, 3509, 3857, 4147, 4901, 6061, 7163, 11011, 13013, 16093, 19019, 20449, 22477, 24563, 29029, 29887, 34307, 35321, 42427, 45617, 50141, 53911, 66671, 78793, 93119, 143143, 209209, 247247, 319319, 377377, 388531, 466697, 551551, 593021, 651833, 866723, 1024309, 2719717, 4151147, 6067061, 7170163, 11267399, 78871793]

約数ペア:

[(1, 78871793), (7, 11267399), (11, 7170163), (13, 6067061), (19, 4151147), (29, 2719717), (77, 1024309), (91, 866723), (121, 651833), (133, 593021), (143, 551551), (169, 466697), (203, 388531), (209, 377377), (247, 319319), (319, 247247), (377, 209209), (551, 143143), (847, 93119), (1001, 78793), (1183, 66671), (1463, 53911), (1573, 50141), (1729, 45617), (1859, 42427), (2233, 35321), (2299, 34307), (2639, 29887), (2717, 29029), (3211, 24563), (3509, 22477), (3857, 20449), (4147, 19019), (4901, 16093), (6061, 13013), (7163, 11011)]