205984584

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 623504700

約数和(自身を除く): 417520116

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 39, 52, 62, 72, 78, 93, 104, 117, 124, 156, 186, 229, 234, 248, 279, 312, 372, 403, 458, 468, 558, 687, 744, 806, 916, 936, 961, 1116, 1209, 1374, 1612, 1832, 1922, 2061, 2232, 2418, 2748, 2883, 2977, 3224, 3627, 3844, 4122, 4836, 5496, 5766, 5954, 7099, 7254, 7688, 8244, 8649, 8931, 9672, 11532, 11908, 12493, 14198, 14508, 16488, 17298, 17862, 21297, 23064, 23816, 24986, 26793, 28396, 29016, 34596, 35724, 37479, 42594, 49972, 53586, 56792, 63891, 69192, 71448, 74958, 85188, 92287, 99944, 107172, 112437, 127782, 149916, 170376, 184574, 214344, 220069, 224874, 255564, 276861, 299832, 369148, 440138, 449748, 511128, 553722, 660207, 738296, 830583, 880276, 899496, 1107444, 1320414, 1661166, 1760552, 1980621, 2214888, 2640828, 2860897, 3322332, 3961242, 5281656, 5721794, 6644664, 7922484, 8582691, 11443588, 15844968, 17165382, 22887176, 25748073, 34330764, 51496146, 68661528, 102992292, 205984584]

約数ペア:

[(1, 205984584), (2, 102992292), (3, 68661528), (4, 51496146), (6, 34330764), (8, 25748073), (9, 22887176), (12, 17165382), (13, 15844968), (18, 11443588), (24, 8582691), (26, 7922484), (31, 6644664), (36, 5721794), (39, 5281656), (52, 3961242), (62, 3322332), (72, 2860897), (78, 2640828), (93, 2214888), (104, 1980621), (117, 1760552), (124, 1661166), (156, 1320414), (186, 1107444), (229, 899496), (234, 880276), (248, 830583), (279, 738296), (312, 660207), (372, 553722), (403, 511128), (458, 449748), (468, 440138), (558, 369148), (687, 299832), (744, 276861), (806, 255564), (916, 224874), (936, 220069), (961, 214344), (1116, 184574), (1209, 170376), (1374, 149916), (1612, 127782), (1832, 112437), (1922, 107172), (2061, 99944), (2232, 92287), (2418, 85188), (2748, 74958), (2883, 71448), (2977, 69192), (3224, 63891), (3627, 56792), (3844, 53586), (4122, 49972), (4836, 42594), (5496, 37479), (5766, 35724), (5954, 34596), (7099, 29016), (7254, 28396), (7688, 26793), (8244, 24986), (8649, 23816), (8931, 23064), (9672, 21297), (11532, 17862), (11908, 17298), (12493, 16488), (14198, 14508)]