78931804

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 164920000

約数和(自身を除く): 85988196

約数列:

[1, 2, 4, 7, 14, 28, 37, 61, 74, 122, 148, 244, 259, 427, 518, 854, 1036, 1249, 1708, 2257, 2498, 4514, 4996, 8743, 9028, 15799, 17486, 31598, 34972, 46213, 63196, 76189, 92426, 152378, 184852, 304756, 323491, 533323, 646982, 1066646, 1293964, 2133292, 2818993, 5637986, 11275972, 19732951, 39465902, 78931804]

約数ペア:

[(1, 78931804), (2, 39465902), (4, 19732951), (7, 11275972), (14, 5637986), (28, 2818993), (37, 2133292), (61, 1293964), (74, 1066646), (122, 646982), (148, 533323), (244, 323491), (259, 304756), (427, 184852), (518, 152378), (854, 92426), (1036, 76189), (1249, 63196), (1708, 46213), (2257, 34972), (2498, 31598), (4514, 17486), (4996, 15799), (8743, 9028)]