28279888

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19423}}^1$

素因数の和:19451

約数の個数: 40

約数和(自身を含む): 67440128

約数和(自身を除く): 39160240

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19423, 38846, 77692, 135961, 155384, 252499, 271922, 310768, 504998, 543844, 1009996, 1087688, 1767493, 2019992, 2175376, 3534986, 4039984, 7069972, 14139944, 28279888]

約数ペア:

[(1, 28279888), (2, 14139944), (4, 7069972), (7, 4039984), (8, 3534986), (13, 2175376), (14, 2019992), (16, 1767493), (26, 1087688), (28, 1009996), (52, 543844), (56, 504998), (91, 310768), (104, 271922), (112, 252499), (182, 155384), (208, 135961), (364, 77692), (728, 38846), (1456, 19423)]