168839216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1901}}^1$

素因数の和:1990

約数の個数: 80

約数和(自身を含む): 409432128

約数和(自身を除く): 240592912

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 728, 793, 854, 976, 1456, 1586, 1708, 1901, 3172, 3416, 3802, 5551, 6344, 6832, 7604, 11102, 12688, 13307, 15208, 22204, 24713, 26614, 30416, 44408, 49426, 53228, 88816, 98852, 106456, 115961, 172991, 197704, 212912, 231922, 345982, 395408, 463844, 691964, 811727, 927688, 1383928, 1507493, 1623454, 1855376, 2767856, 3014986, 3246908, 6029972, 6493816, 10552451, 12059944, 12987632, 21104902, 24119888, 42209804, 84419608, 168839216]

約数ペア:

[(1, 168839216), (2, 84419608), (4, 42209804), (7, 24119888), (8, 21104902), (13, 12987632), (14, 12059944), (16, 10552451), (26, 6493816), (28, 6029972), (52, 3246908), (56, 3014986), (61, 2767856), (91, 1855376), (104, 1623454), (112, 1507493), (122, 1383928), (182, 927688), (208, 811727), (244, 691964), (364, 463844), (427, 395408), (488, 345982), (728, 231922), (793, 212912), (854, 197704), (976, 172991), (1456, 115961), (1586, 106456), (1708, 98852), (1901, 88816), (3172, 53228), (3416, 49426), (3802, 44408), (5551, 30416), (6344, 26614), (6832, 24713), (7604, 22204), (11102, 15208), (12688, 13307)]