257807368

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 631411200

約数和(自身を除く): 373603832

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 89, 91, 92, 104, 161, 173, 178, 182, 184, 299, 322, 346, 356, 364, 598, 623, 644, 692, 712, 728, 1157, 1196, 1211, 1246, 1288, 1384, 2047, 2093, 2249, 2314, 2392, 2422, 2492, 3979, 4094, 4186, 4498, 4628, 4844, 4984, 7958, 8099, 8188, 8372, 8996, 9256, 9688, 14329, 15397, 15743, 15916, 16198, 16376, 16744, 17992, 26611, 27853, 28658, 30794, 31486, 31832, 32396, 51727, 53222, 55706, 57316, 61588, 62972, 64792, 103454, 106444, 107779, 111412, 114632, 123176, 125944, 186277, 200161, 206908, 212888, 215558, 222824, 354131, 362089, 372554, 400322, 413816, 431116, 708262, 724178, 745108, 800644, 862232, 1401127, 1416524, 1448356, 1490216, 1601288, 2478917, 2802254, 2833048, 2896712, 4603703, 4957834, 5604508, 9207406, 9915668, 11209016, 18414812, 19831336, 32225921, 36829624, 64451842, 128903684, 257807368]

約数ペア:

[(1, 257807368), (2, 128903684), (4, 64451842), (7, 36829624), (8, 32225921), (13, 19831336), (14, 18414812), (23, 11209016), (26, 9915668), (28, 9207406), (46, 5604508), (52, 4957834), (56, 4603703), (89, 2896712), (91, 2833048), (92, 2802254), (104, 2478917), (161, 1601288), (173, 1490216), (178, 1448356), (182, 1416524), (184, 1401127), (299, 862232), (322, 800644), (346, 745108), (356, 724178), (364, 708262), (598, 431116), (623, 413816), (644, 400322), (692, 372554), (712, 362089), (728, 354131), (1157, 222824), (1196, 215558), (1211, 212888), (1246, 206908), (1288, 200161), (1384, 186277), (2047, 125944), (2093, 123176), (2249, 114632), (2314, 111412), (2392, 107779), (2422, 106444), (2492, 103454), (3979, 64792), (4094, 62972), (4186, 61588), (4498, 57316), (4628, 55706), (4844, 53222), (4984, 51727), (7958, 32396), (8099, 31832), (8188, 31486), (8372, 30794), (8996, 28658), (9256, 27853), (9688, 26611), (14329, 17992), (15397, 16744), (15743, 16376), (15916, 16198)]