208907832

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{379}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 636940800

約数和(自身を除く): 428032968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 168, 193, 204, 238, 357, 379, 386, 408, 476, 579, 714, 758, 772, 952, 1137, 1158, 1351, 1428, 1516, 1544, 2274, 2316, 2653, 2702, 2856, 3032, 3281, 4053, 4548, 4632, 5306, 5404, 6443, 6562, 7959, 8106, 9096, 9843, 10612, 10808, 12886, 13124, 15918, 16212, 19329, 19686, 21224, 22967, 25772, 26248, 31836, 32424, 38658, 39372, 45101, 45934, 51544, 63672, 68901, 73147, 77316, 78744, 90202, 91868, 135303, 137802, 146294, 154632, 180404, 183736, 219441, 270606, 275604, 292588, 360808, 438882, 512029, 541212, 551208, 585176, 877764, 1024058, 1082424, 1243499, 1536087, 1755528, 2048116, 2486998, 3072174, 3730497, 4096232, 4973996, 6144348, 7460994, 8704493, 9947992, 12288696, 14921988, 17408986, 26113479, 29843976, 34817972, 52226958, 69635944, 104453916, 208907832]

約数ペア:

[(1, 208907832), (2, 104453916), (3, 69635944), (4, 52226958), (6, 34817972), (7, 29843976), (8, 26113479), (12, 17408986), (14, 14921988), (17, 12288696), (21, 9947992), (24, 8704493), (28, 7460994), (34, 6144348), (42, 4973996), (51, 4096232), (56, 3730497), (68, 3072174), (84, 2486998), (102, 2048116), (119, 1755528), (136, 1536087), (168, 1243499), (193, 1082424), (204, 1024058), (238, 877764), (357, 585176), (379, 551208), (386, 541212), (408, 512029), (476, 438882), (579, 360808), (714, 292588), (758, 275604), (772, 270606), (952, 219441), (1137, 183736), (1158, 180404), (1351, 154632), (1428, 146294), (1516, 137802), (1544, 135303), (2274, 91868), (2316, 90202), (2653, 78744), (2702, 77316), (2856, 73147), (3032, 68901), (3281, 63672), (4053, 51544), (4548, 45934), (4632, 45101), (5306, 39372), (5404, 38658), (6443, 32424), (6562, 31836), (7959, 26248), (8106, 25772), (9096, 22967), (9843, 21224), (10612, 19686), (10808, 19329), (12886, 16212), (13124, 15918)]