26820968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^2$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 55156140

約数和(自身を除く): 28335172

約数列:

[1, 2, 4, 8, 17, 34, 53, 61, 68, 106, 122, 136, 212, 244, 424, 488, 901, 1037, 1802, 2074, 3233, 3604, 3721, 4148, 6466, 7208, 7442, 8296, 12932, 14884, 25864, 29768, 54961, 63257, 109922, 126514, 197213, 219844, 253028, 394426, 439688, 506056, 788852, 1577704, 3352621, 6705242, 13410484, 26820968]

約数ペア:

[(1, 26820968), (2, 13410484), (4, 6705242), (8, 3352621), (17, 1577704), (34, 788852), (53, 506056), (61, 439688), (68, 394426), (106, 253028), (122, 219844), (136, 197213), (212, 126514), (244, 109922), (424, 63257), (488, 54961), (901, 29768), (1037, 25864), (1802, 14884), (2074, 12932), (3233, 8296), (3604, 7442), (3721, 7208), (4148, 6466)]