217539648

素因数分解:

$2^6\times 3^3\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 168

約数和(自身を含む): 665866080

約数和(自身を除く): 448326432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 131, 144, 186, 192, 216, 248, 262, 279, 288, 372, 393, 432, 496, 524, 558, 576, 744, 786, 837, 864, 961, 992, 1048, 1116, 1179, 1488, 1572, 1674, 1728, 1922, 1984, 2096, 2232, 2358, 2883, 2976, 3144, 3348, 3537, 3844, 4061, 4192, 4464, 4716, 5766, 5952, 6288, 6696, 7074, 7688, 8122, 8384, 8649, 8928, 9432, 11532, 12183, 12576, 13392, 14148, 15376, 16244, 17298, 17856, 18864, 23064, 24366, 25152, 25947, 26784, 28296, 30752, 32488, 34596, 36549, 37728, 46128, 48732, 51894, 53568, 56592, 61504, 64976, 69192, 73098, 75456, 92256, 97464, 103788, 109647, 113184, 125891, 129952, 138384, 146196, 184512, 194928, 207576, 219294, 226368, 251782, 259904, 276768, 292392, 377673, 389856, 415152, 438588, 503564, 553536, 584784, 755346, 779712, 830304, 877176, 1007128, 1133019, 1169568, 1510692, 1660608, 1754352, 2014256, 2266038, 2339136, 3021384, 3399057, 3508704, 4028512, 4532076, 6042768, 6798114, 7017408, 8057024, 9064152, 12085536, 13596228, 18128304, 24171072, 27192456, 36256608, 54384912, 72513216, 108769824, 217539648]

約数ペア:

[(1, 217539648), (2, 108769824), (3, 72513216), (4, 54384912), (6, 36256608), (8, 27192456), (9, 24171072), (12, 18128304), (16, 13596228), (18, 12085536), (24, 9064152), (27, 8057024), (31, 7017408), (32, 6798114), (36, 6042768), (48, 4532076), (54, 4028512), (62, 3508704), (64, 3399057), (72, 3021384), (93, 2339136), (96, 2266038), (108, 2014256), (124, 1754352), (131, 1660608), (144, 1510692), (186, 1169568), (192, 1133019), (216, 1007128), (248, 877176), (262, 830304), (279, 779712), (288, 755346), (372, 584784), (393, 553536), (432, 503564), (496, 438588), (524, 415152), (558, 389856), (576, 377673), (744, 292392), (786, 276768), (837, 259904), (864, 251782), (961, 226368), (992, 219294), (1048, 207576), (1116, 194928), (1179, 184512), (1488, 146196), (1572, 138384), (1674, 129952), (1728, 125891), (1922, 113184), (1984, 109647), (2096, 103788), (2232, 97464), (2358, 92256), (2883, 75456), (2976, 73098), (3144, 69192), (3348, 64976), (3537, 61504), (3844, 56592), (4061, 53568), (4192, 51894), (4464, 48732), (4716, 46128), (5766, 37728), (5952, 36549), (6288, 34596), (6696, 32488), (7074, 30752), (7688, 28296), (8122, 26784), (8384, 25947), (8649, 25152), (8928, 24366), (9432, 23064), (11532, 18864), (12183, 17856), (12576, 17298), (13392, 16244), (14148, 15376)]