167979968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2125

約数の個数: 56

約数和(自身を含む): 362712000

約数和(自身を除く): 194732032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 101, 104, 202, 208, 404, 416, 808, 832, 1313, 1616, 1999, 2626, 3232, 3998, 5252, 6464, 7996, 10504, 15992, 21008, 25987, 31984, 42016, 51974, 63968, 84032, 103948, 127936, 201899, 207896, 403798, 415792, 807596, 831584, 1615192, 1663168, 2624687, 3230384, 5249374, 6460768, 10498748, 12921536, 20997496, 41994992, 83989984, 167979968]

約数ペア:

[(1, 167979968), (2, 83989984), (4, 41994992), (8, 20997496), (13, 12921536), (16, 10498748), (26, 6460768), (32, 5249374), (52, 3230384), (64, 2624687), (101, 1663168), (104, 1615192), (202, 831584), (208, 807596), (404, 415792), (416, 403798), (808, 207896), (832, 201899), (1313, 127936), (1616, 103948), (1999, 84032), (2626, 63968), (3232, 51974), (3998, 42016), (5252, 31984), (6464, 25987), (7996, 21008), (10504, 15992)]