208778856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 619315200

約数和(自身を除く): 410536344

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 127, 132, 143, 156, 254, 264, 286, 312, 381, 429, 479, 508, 572, 762, 858, 958, 1016, 1144, 1397, 1437, 1524, 1651, 1716, 1916, 2794, 2874, 3048, 3302, 3432, 3832, 4191, 4953, 5269, 5588, 5748, 6227, 6604, 8382, 9906, 10538, 11176, 11496, 12454, 13208, 15807, 16764, 18161, 18681, 19812, 21076, 24908, 31614, 33528, 36322, 37362, 39624, 42152, 49816, 54483, 60833, 63228, 68497, 72644, 74724, 108966, 121666, 126456, 136994, 145288, 149448, 182499, 205491, 217932, 243332, 273988, 364998, 410982, 435864, 486664, 547976, 669163, 729996, 790829, 821964, 1338326, 1459992, 1581658, 1643928, 2007489, 2372487, 2676652, 3163316, 4014978, 4744974, 5353304, 6326632, 8029956, 8699119, 9489948, 16059912, 17398238, 18979896, 26097357, 34796476, 52194714, 69592952, 104389428, 208778856]

約数ペア:

[(1, 208778856), (2, 104389428), (3, 69592952), (4, 52194714), (6, 34796476), (8, 26097357), (11, 18979896), (12, 17398238), (13, 16059912), (22, 9489948), (24, 8699119), (26, 8029956), (33, 6326632), (39, 5353304), (44, 4744974), (52, 4014978), (66, 3163316), (78, 2676652), (88, 2372487), (104, 2007489), (127, 1643928), (132, 1581658), (143, 1459992), (156, 1338326), (254, 821964), (264, 790829), (286, 729996), (312, 669163), (381, 547976), (429, 486664), (479, 435864), (508, 410982), (572, 364998), (762, 273988), (858, 243332), (958, 217932), (1016, 205491), (1144, 182499), (1397, 149448), (1437, 145288), (1524, 136994), (1651, 126456), (1716, 121666), (1916, 108966), (2794, 74724), (2874, 72644), (3048, 68497), (3302, 63228), (3432, 60833), (3832, 54483), (4191, 49816), (4953, 42152), (5269, 39624), (5588, 37362), (5748, 36322), (6227, 33528), (6604, 31614), (8382, 24908), (9906, 21076), (10538, 19812), (11176, 18681), (11496, 18161), (12454, 16764), (13208, 15807)]