79193919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 134184960

約数和(自身を除く): 54991041

約数列:

[1, 3, 7, 19, 21, 41, 47, 57, 103, 123, 133, 141, 287, 309, 329, 399, 721, 779, 861, 893, 987, 1927, 1957, 2163, 2337, 2679, 4223, 4841, 5453, 5781, 5871, 6251, 12669, 13489, 13699, 14523, 16359, 18753, 29561, 33887, 36613, 40467, 41097, 80237, 88683, 91979, 101661, 109839, 198481, 240711, 256291, 275937, 561659, 595443, 643853, 768873, 1389367, 1684977, 1931559, 3771139, 4168101, 11313417, 26397973, 79193919]

約数ペア:

[(1, 79193919), (3, 26397973), (7, 11313417), (19, 4168101), (21, 3771139), (41, 1931559), (47, 1684977), (57, 1389367), (103, 768873), (123, 643853), (133, 595443), (141, 561659), (287, 275937), (309, 256291), (329, 240711), (399, 198481), (721, 109839), (779, 101661), (861, 91979), (893, 88683), (987, 80237), (1927, 41097), (1957, 40467), (2163, 36613), (2337, 33887), (2679, 29561), (4223, 18753), (4841, 16359), (5453, 14523), (5781, 13699), (5871, 13489), (6251, 12669)]