81977658

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{751}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 197517312

約数和(自身を除く): 115539654

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 113, 138, 161, 226, 322, 339, 483, 678, 751, 791, 966, 1502, 1582, 2253, 2373, 2599, 4506, 4746, 5198, 5257, 7797, 10514, 15594, 15771, 17273, 18193, 31542, 34546, 36386, 51819, 54579, 84863, 103638, 109158, 120911, 169726, 241822, 254589, 362733, 509178, 594041, 725466, 1188082, 1782123, 1951849, 3564246, 3903698, 5855547, 11711094, 13662943, 27325886, 40988829, 81977658]

約数ペア:

[(1, 81977658), (2, 40988829), (3, 27325886), (6, 13662943), (7, 11711094), (14, 5855547), (21, 3903698), (23, 3564246), (42, 1951849), (46, 1782123), (69, 1188082), (113, 725466), (138, 594041), (161, 509178), (226, 362733), (322, 254589), (339, 241822), (483, 169726), (678, 120911), (751, 109158), (791, 103638), (966, 84863), (1502, 54579), (1582, 51819), (2253, 36386), (2373, 34546), (2599, 31542), (4506, 18193), (4746, 17273), (5198, 15771), (5257, 15594), (7797, 10514)]