80985674

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 158775552

約数和(自身を除く): 77789878

約数列:

[1, 2, 7, 11, 14, 22, 37, 61, 74, 77, 122, 154, 233, 259, 407, 427, 466, 518, 671, 814, 854, 1342, 1631, 2257, 2563, 2849, 3262, 4514, 4697, 5126, 5698, 8621, 9394, 14213, 15799, 17242, 17941, 24827, 28426, 31598, 35882, 49654, 60347, 94831, 99491, 120694, 156343, 173789, 189662, 198982, 312686, 347578, 525881, 663817, 1051762, 1094401, 1327634, 2188802, 3681167, 5784691, 7362334, 11569382, 40492837, 80985674]

約数ペア:

[(1, 80985674), (2, 40492837), (7, 11569382), (11, 7362334), (14, 5784691), (22, 3681167), (37, 2188802), (61, 1327634), (74, 1094401), (77, 1051762), (122, 663817), (154, 525881), (233, 347578), (259, 312686), (407, 198982), (427, 189662), (466, 173789), (518, 156343), (671, 120694), (814, 99491), (854, 94831), (1342, 60347), (1631, 49654), (2257, 35882), (2563, 31598), (2849, 28426), (3262, 24827), (4514, 17941), (4697, 17242), (5126, 15799), (5698, 14213), (8621, 9394)]