257648025219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{83717}}^1$

素因数の和:83876

約数の個数: 64

約数和(自身を含む): 399660355584

約数和(自身を除く): 142012330365

約数列:

[1, 3, 13, 23, 39, 47, 69, 73, 141, 219, 299, 611, 897, 949, 1081, 1679, 1833, 2847, 3243, 3431, 5037, 10293, 14053, 21827, 42159, 44603, 65481, 78913, 83717, 133809, 236739, 251151, 1025869, 1088321, 1925491, 3077607, 3264963, 3934699, 5776473, 6111341, 11804097, 18334023, 25031383, 51151087, 75094149, 79447433, 90498077, 140560843, 153453261, 238342299, 271494231, 287233027, 421682529, 861699081, 1176475001, 1827290959, 3529425003, 3734029351, 5481872877, 6606359621, 11202088053, 19819078863, 85882675073, 257648025219]

約数ペア:

[(1, 257648025219), (3, 85882675073), (13, 19819078863), (23, 11202088053), (39, 6606359621), (47, 5481872877), (69, 3734029351), (73, 3529425003), (141, 1827290959), (219, 1176475001), (299, 861699081), (611, 421682529), (897, 287233027), (949, 271494231), (1081, 238342299), (1679, 153453261), (1833, 140560843), (2847, 90498077), (3243, 79447433), (3431, 75094149), (5037, 51151087), (10293, 25031383), (14053, 18334023), (21827, 11804097), (42159, 6111341), (44603, 5776473), (65481, 3934699), (78913, 3264963), (83717, 3077607), (133809, 1925491), (236739, 1088321), (251151, 1025869)]