261777984

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{104879}}^1$

素因数の和:104907

約数の個数: 56

約数和(自身を含む): 745906560

約数和(自身を除く): 484128576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 104879, 209758, 314637, 419516, 629274, 839032, 1258548, 1363427, 1678064, 2517096, 2726854, 3356128, 4090281, 5034192, 5453708, 6712256, 8180562, 10068384, 10907416, 16361124, 20136768, 21814832, 32722248, 43629664, 65444496, 87259328, 130888992, 261777984]

約数ペア:

[(1, 261777984), (2, 130888992), (3, 87259328), (4, 65444496), (6, 43629664), (8, 32722248), (12, 21814832), (13, 20136768), (16, 16361124), (24, 10907416), (26, 10068384), (32, 8180562), (39, 6712256), (48, 5453708), (52, 5034192), (64, 4090281), (78, 3356128), (96, 2726854), (104, 2517096), (156, 1678064), (192, 1363427), (208, 1258548), (312, 839032), (416, 629274), (624, 419516), (832, 314637), (1248, 209758), (2496, 104879)]