257594904

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 160

約数和(自身を含む): 833738400

約数和(自身を除く): 576143496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 109, 126, 162, 168, 189, 216, 218, 252, 324, 327, 378, 436, 504, 521, 567, 648, 654, 756, 763, 872, 981, 1042, 1134, 1308, 1512, 1526, 1563, 1962, 2084, 2268, 2289, 2616, 2943, 3052, 3126, 3647, 3924, 4168, 4536, 4578, 4689, 5886, 6104, 6252, 6867, 7294, 7848, 8829, 9156, 9378, 10941, 11772, 12504, 13734, 14067, 14588, 17658, 18312, 18756, 20601, 21882, 23544, 27468, 28134, 29176, 32823, 35316, 37512, 41202, 42201, 43764, 54936, 56268, 56789, 61803, 65646, 70632, 82404, 84402, 87528, 98469, 112536, 113578, 123606, 131292, 164808, 168804, 170367, 196938, 227156, 247212, 262584, 295407, 337608, 340734, 393876, 397523, 454312, 494424, 511101, 590814, 681468, 787752, 795046, 1022202, 1181628, 1192569, 1362936, 1533303, 1590092, 2044404, 2363256, 2385138, 3066606, 3180184, 3577707, 4088808, 4599909, 4770276, 6133212, 7155414, 9199818, 9540552, 10733121, 12266424, 14310828, 18399636, 21466242, 28621656, 32199363, 36799272, 42932484, 64398726, 85864968, 128797452, 257594904]

約数ペア:

[(1, 257594904), (2, 128797452), (3, 85864968), (4, 64398726), (6, 42932484), (7, 36799272), (8, 32199363), (9, 28621656), (12, 21466242), (14, 18399636), (18, 14310828), (21, 12266424), (24, 10733121), (27, 9540552), (28, 9199818), (36, 7155414), (42, 6133212), (54, 4770276), (56, 4599909), (63, 4088808), (72, 3577707), (81, 3180184), (84, 3066606), (108, 2385138), (109, 2363256), (126, 2044404), (162, 1590092), (168, 1533303), (189, 1362936), (216, 1192569), (218, 1181628), (252, 1022202), (324, 795046), (327, 787752), (378, 681468), (436, 590814), (504, 511101), (521, 494424), (567, 454312), (648, 397523), (654, 393876), (756, 340734), (763, 337608), (872, 295407), (981, 262584), (1042, 247212), (1134, 227156), (1308, 196938), (1512, 170367), (1526, 168804), (1563, 164808), (1962, 131292), (2084, 123606), (2268, 113578), (2289, 112536), (2616, 98469), (2943, 87528), (3052, 84402), (3126, 82404), (3647, 70632), (3924, 65646), (4168, 61803), (4536, 56789), (4578, 56268), (4689, 54936), (5886, 43764), (6104, 42201), (6252, 41202), (6867, 37512), (7294, 35316), (7848, 32823), (8829, 29176), (9156, 28134), (9378, 27468), (10941, 23544), (11772, 21882), (12504, 20601), (13734, 18756), (14067, 18312), (14588, 17658)]