77977136

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{1069}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 156031680

約数和(自身を除く): 78054544

約数列:

[1, 2, 4, 8, 16, 47, 94, 97, 188, 194, 376, 388, 752, 776, 1069, 1552, 2138, 4276, 4559, 8552, 9118, 17104, 18236, 36472, 50243, 72944, 100486, 103693, 200972, 207386, 401944, 414772, 803888, 829544, 1659088, 4873571, 9747142, 19494284, 38988568, 77977136]

約数ペア:

[(1, 77977136), (2, 38988568), (4, 19494284), (8, 9747142), (16, 4873571), (47, 1659088), (94, 829544), (97, 803888), (188, 414772), (194, 401944), (376, 207386), (388, 200972), (752, 103693), (776, 100486), (1069, 72944), (1552, 50243), (2138, 36472), (4276, 18236), (4559, 17104), (8552, 9118)]