208078403944

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{977}}^1\times {\mathrm{1789}}^1$

素因数の和:3442

約数の個数: 64

約数和(自身を含む): 408384633600

約数和(自身を除く): 200306229656

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 647, 977, 1294, 1789, 1954, 2588, 3578, 3908, 5176, 7156, 7816, 14312, 14881, 22471, 29762, 41147, 44942, 59524, 82294, 89884, 119048, 164588, 179768, 329176, 632119, 1157483, 1264238, 1747853, 2314966, 2528476, 3495706, 4629932, 5056952, 6991412, 9259864, 13982824, 14538737, 26622109, 29077474, 40200619, 53244218, 58154948, 80401238, 106488436, 116309896, 160802476, 212976872, 321604952, 1130860891, 2261721782, 4523443564, 9046887128, 26009800493, 52019600986, 104039201972, 208078403944]

約数ペア:

[(1, 208078403944), (2, 104039201972), (4, 52019600986), (8, 26009800493), (23, 9046887128), (46, 4523443564), (92, 2261721782), (184, 1130860891), (647, 321604952), (977, 212976872), (1294, 160802476), (1789, 116309896), (1954, 106488436), (2588, 80401238), (3578, 58154948), (3908, 53244218), (5176, 40200619), (7156, 29077474), (7816, 26622109), (14312, 14538737), (14881, 13982824), (22471, 9259864), (29762, 6991412), (41147, 5056952), (44942, 4629932), (59524, 3495706), (82294, 2528476), (89884, 2314966), (119048, 1747853), (164588, 1264238), (179768, 1157483), (329176, 632119)]