1279781104

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{997}}^1$

素因数の和:1242

約数の個数: 80

約数和(自身を含む): 2893816768

約数和(自身を除く): 1614035664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 157, 292, 314, 511, 584, 628, 997, 1022, 1099, 1168, 1256, 1994, 2044, 2198, 2512, 3988, 4088, 4396, 6979, 7976, 8176, 8792, 11461, 13958, 15952, 17584, 22922, 27916, 45844, 55832, 72781, 80227, 91688, 111664, 145562, 156529, 160454, 183376, 291124, 313058, 320908, 509467, 582248, 626116, 641816, 1018934, 1095703, 1164496, 1252232, 1283632, 2037868, 2191406, 2504464, 4075736, 4382812, 8151472, 8765624, 11426617, 17531248, 22853234, 45706468, 79986319, 91412936, 159972638, 182825872, 319945276, 639890552, 1279781104]

約数ペア:

[(1, 1279781104), (2, 639890552), (4, 319945276), (7, 182825872), (8, 159972638), (14, 91412936), (16, 79986319), (28, 45706468), (56, 22853234), (73, 17531248), (112, 11426617), (146, 8765624), (157, 8151472), (292, 4382812), (314, 4075736), (511, 2504464), (584, 2191406), (628, 2037868), (997, 1283632), (1022, 1252232), (1099, 1164496), (1168, 1095703), (1256, 1018934), (1994, 641816), (2044, 626116), (2198, 582248), (2512, 509467), (3988, 320908), (4088, 313058), (4396, 291124), (6979, 183376), (7976, 160454), (8176, 156529), (8792, 145562), (11461, 111664), (13958, 91688), (15952, 80227), (17584, 72781), (22922, 55832), (27916, 45844)]