78945328

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 192487680

約数和(自身を除く): 113542352

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 139, 154, 176, 278, 308, 461, 556, 616, 922, 973, 1112, 1232, 1529, 1844, 1946, 2224, 3058, 3227, 3688, 3892, 5071, 6116, 6454, 7376, 7784, 10142, 10703, 12232, 12908, 15568, 20284, 21406, 24464, 25816, 35497, 40568, 42812, 51632, 64079, 70994, 81136, 85624, 128158, 141988, 171248, 256316, 283976, 448553, 512632, 567952, 704869, 897106, 1025264, 1409738, 1794212, 2819476, 3588424, 4934083, 5638952, 7176848, 9868166, 11277904, 19736332, 39472664, 78945328]

約数ペア:

[(1, 78945328), (2, 39472664), (4, 19736332), (7, 11277904), (8, 9868166), (11, 7176848), (14, 5638952), (16, 4934083), (22, 3588424), (28, 2819476), (44, 1794212), (56, 1409738), (77, 1025264), (88, 897106), (112, 704869), (139, 567952), (154, 512632), (176, 448553), (278, 283976), (308, 256316), (461, 171248), (556, 141988), (616, 128158), (922, 85624), (973, 81136), (1112, 70994), (1232, 64079), (1529, 51632), (1844, 42812), (1946, 40568), (2224, 35497), (3058, 25816), (3227, 24464), (3688, 21406), (3892, 20284), (5071, 15568), (6116, 12908), (6454, 12232), (7376, 10703), (7784, 10142)]