775388887

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 1055980800

約数和(自身を除く): 280591913

約数列:

[1, 7, 13, 17, 49, 53, 91, 119, 193, 221, 343, 371, 637, 689, 833, 901, 1351, 1547, 2509, 2597, 3281, 4459, 4823, 5831, 6307, 9457, 10229, 10829, 11713, 17563, 18179, 22967, 33761, 42653, 44149, 66199, 71603, 75803, 81991, 122941, 132977, 160769, 173893, 236327, 298571, 309043, 501221, 573937, 860587, 930839, 1125383, 1217251, 2089997, 2260609, 3508547, 4017559, 6515873, 8520757, 14629979, 15824263, 45611111, 59645299, 110769841, 775388887]

約数ペア:

[(1, 775388887), (7, 110769841), (13, 59645299), (17, 45611111), (49, 15824263), (53, 14629979), (91, 8520757), (119, 6515873), (193, 4017559), (221, 3508547), (343, 2260609), (371, 2089997), (637, 1217251), (689, 1125383), (833, 930839), (901, 860587), (1351, 573937), (1547, 501221), (2509, 309043), (2597, 298571), (3281, 236327), (4459, 173893), (4823, 160769), (5831, 132977), (6307, 122941), (9457, 81991), (10229, 75803), (10829, 71603), (11713, 66199), (17563, 44149), (18179, 42653), (22967, 33761)]