261002496

素因数分解:

$2^8\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19991}}^1$

素因数の和:20027

約数の個数: 72

約数和(自身を含む): 735545664

約数和(自身を除く): 474543168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 544, 768, 816, 1088, 1632, 2176, 3264, 4352, 6528, 13056, 19991, 39982, 59973, 79964, 119946, 159928, 239892, 319856, 339847, 479784, 639712, 679694, 959568, 1019541, 1279424, 1359388, 1919136, 2039082, 2558848, 2718776, 3838272, 4078164, 5117696, 5437552, 7676544, 8156328, 10875104, 15353088, 16312656, 21750208, 32625312, 43500416, 65250624, 87000832, 130501248, 261002496]

約数ペア:

[(1, 261002496), (2, 130501248), (3, 87000832), (4, 65250624), (6, 43500416), (8, 32625312), (12, 21750208), (16, 16312656), (17, 15353088), (24, 10875104), (32, 8156328), (34, 7676544), (48, 5437552), (51, 5117696), (64, 4078164), (68, 3838272), (96, 2718776), (102, 2558848), (128, 2039082), (136, 1919136), (192, 1359388), (204, 1279424), (256, 1019541), (272, 959568), (384, 679694), (408, 639712), (544, 479784), (768, 339847), (816, 319856), (1088, 239892), (1632, 159928), (2176, 119946), (3264, 79964), (4352, 59973), (6528, 39982), (13056, 19991)]