259987936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 591222240

約数和(自身を除く): 331234304

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 97, 104, 136, 194, 208, 221, 272, 379, 388, 416, 442, 544, 758, 776, 884, 1261, 1516, 1552, 1649, 1768, 2522, 3032, 3104, 3298, 3536, 4927, 5044, 6064, 6443, 6596, 7072, 9854, 10088, 12128, 12886, 13192, 19708, 20176, 21437, 25772, 26384, 36763, 39416, 40352, 42874, 51544, 52768, 73526, 78832, 83759, 85748, 103088, 147052, 157664, 167518, 171496, 206176, 294104, 335036, 342992, 477919, 588208, 624971, 670072, 685984, 955838, 1176416, 1249942, 1340144, 1911676, 2499884, 2680288, 3823352, 4999768, 7646704, 8124623, 9999536, 15293408, 16249246, 19999072, 32498492, 64996984, 129993968, 259987936]

約数ペア:

[(1, 259987936), (2, 129993968), (4, 64996984), (8, 32498492), (13, 19999072), (16, 16249246), (17, 15293408), (26, 9999536), (32, 8124623), (34, 7646704), (52, 4999768), (68, 3823352), (97, 2680288), (104, 2499884), (136, 1911676), (194, 1340144), (208, 1249942), (221, 1176416), (272, 955838), (379, 685984), (388, 670072), (416, 624971), (442, 588208), (544, 477919), (758, 342992), (776, 335036), (884, 294104), (1261, 206176), (1516, 171496), (1552, 167518), (1649, 157664), (1768, 147052), (2522, 103088), (3032, 85748), (3104, 83759), (3298, 78832), (3536, 73526), (4927, 52768), (5044, 51544), (6064, 42874), (6443, 40352), (6596, 39416), (7072, 36763), (9854, 26384), (10088, 25772), (12128, 21437), (12886, 20176), (13192, 19708)]