678798351

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1663}}^1$

素因数の和:1737

約数の個数: 96

約数和(自身を含む): 1329070080

約数和(自身を除く): 650271729

約数列:

[1, 3, 7, 9, 11, 19, 21, 31, 33, 57, 63, 77, 93, 99, 133, 171, 209, 217, 231, 279, 341, 399, 589, 627, 651, 693, 1023, 1197, 1463, 1663, 1767, 1881, 1953, 2387, 3069, 4123, 4389, 4989, 5301, 6479, 7161, 11641, 12369, 13167, 14967, 18293, 19437, 21483, 31597, 34923, 37107, 45353, 51553, 54879, 58311, 94791, 104769, 128051, 136059, 154659, 164637, 221179, 284373, 347567, 360871, 384153, 408177, 463977, 567083, 663537, 979507, 1042701, 1082613, 1152459, 1701249, 1990611, 2432969, 2938521, 3128103, 3247839, 3969581, 5103747, 6856549, 7298907, 8815563, 10774577, 11908743, 20569647, 21896721, 32323731, 35726229, 61708941, 75422039, 96971193, 226266117, 678798351]

約数ペア:

[(1, 678798351), (3, 226266117), (7, 96971193), (9, 75422039), (11, 61708941), (19, 35726229), (21, 32323731), (31, 21896721), (33, 20569647), (57, 11908743), (63, 10774577), (77, 8815563), (93, 7298907), (99, 6856549), (133, 5103747), (171, 3969581), (209, 3247839), (217, 3128103), (231, 2938521), (279, 2432969), (341, 1990611), (399, 1701249), (589, 1152459), (627, 1082613), (651, 1042701), (693, 979507), (1023, 663537), (1197, 567083), (1463, 463977), (1663, 408177), (1767, 384153), (1881, 360871), (1953, 347567), (2387, 284373), (3069, 221179), (4123, 164637), (4389, 154659), (4989, 136059), (5301, 128051), (6479, 104769), (7161, 94791), (11641, 58311), (12369, 54879), (13167, 51553), (14967, 45353), (18293, 37107), (19437, 34923), (21483, 31597)]