289584008

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 634417920

約数和(自身を除く): 344833912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 173, 284, 346, 421, 497, 568, 692, 842, 994, 1211, 1384, 1684, 1988, 2422, 2947, 3368, 3976, 4844, 5894, 9688, 11788, 12283, 23576, 24566, 29891, 49132, 59782, 72833, 85981, 98264, 119564, 145666, 171962, 209237, 239128, 291332, 343924, 418474, 509831, 582664, 687848, 836948, 1019662, 1673896, 2039324, 4078648, 5171143, 10342286, 20684572, 36198001, 41369144, 72396002, 144792004, 289584008]

約数ペア:

[(1, 289584008), (2, 144792004), (4, 72396002), (7, 41369144), (8, 36198001), (14, 20684572), (28, 10342286), (56, 5171143), (71, 4078648), (142, 2039324), (173, 1673896), (284, 1019662), (346, 836948), (421, 687848), (497, 582664), (568, 509831), (692, 418474), (842, 343924), (994, 291332), (1211, 239128), (1384, 209237), (1684, 171962), (1988, 145666), (2422, 119564), (2947, 98264), (3368, 85981), (3976, 72833), (4844, 59782), (5894, 49132), (9688, 29891), (11788, 24566), (12283, 23576)]