81608144

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 161641440

約数和(自身を除く): 80033296

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 269, 283, 536, 538, 566, 1072, 1076, 1132, 2152, 2264, 4304, 4528, 18023, 18961, 36046, 37922, 72092, 75844, 76127, 144184, 151688, 152254, 288368, 303376, 304508, 609016, 1218032, 5100509, 10201018, 20402036, 40804072, 81608144]

約数ペア:

[(1, 81608144), (2, 40804072), (4, 20402036), (8, 10201018), (16, 5100509), (67, 1218032), (134, 609016), (268, 304508), (269, 303376), (283, 288368), (536, 152254), (538, 151688), (566, 144184), (1072, 76127), (1076, 75844), (1132, 72092), (2152, 37922), (2264, 36046), (4304, 18961), (4528, 18023)]