31780190913

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{2389}}^1$

素因数の和:2646

約数の個数: 64

約数和(自身を含む): 47539968000

約数和(自身を除く): 15759777087

約数列:

[1, 3, 19, 23, 57, 69, 73, 139, 219, 417, 437, 1311, 1387, 1679, 2389, 2641, 3197, 4161, 5037, 7167, 7923, 9591, 10147, 30441, 31901, 45391, 54947, 60743, 95703, 136173, 164841, 174397, 182229, 192793, 233381, 332071, 523191, 578379, 700143, 996213, 1043993, 3131979, 3313543, 4011131, 4434239, 6309349, 7637633, 9940629, 12033393, 13302717, 18928047, 22912899, 24241183, 72723549, 76211489, 145115027, 228634467, 435345081, 460582477, 557547209, 1381747431, 1672641627, 10593396971, 31780190913]

約数ペア:

[(1, 31780190913), (3, 10593396971), (19, 1672641627), (23, 1381747431), (57, 557547209), (69, 460582477), (73, 435345081), (139, 228634467), (219, 145115027), (417, 76211489), (437, 72723549), (1311, 24241183), (1387, 22912899), (1679, 18928047), (2389, 13302717), (2641, 12033393), (3197, 9940629), (4161, 7637633), (5037, 6309349), (7167, 4434239), (7923, 4011131), (9591, 3313543), (10147, 3131979), (30441, 1043993), (31901, 996213), (45391, 700143), (54947, 578379), (60743, 523191), (95703, 332071), (136173, 233381), (164841, 192793), (174397, 182229)]