1280074276

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{229}}^1\times {\mathrm{8269}}^1$

素因数の和:8528

約数の個数: 36

約数和(自身を含む): 2436590100

約数和(自身を除く): 1156515824

約数列:

[1, 2, 4, 13, 26, 52, 169, 229, 338, 458, 676, 916, 2977, 5954, 8269, 11908, 16538, 33076, 38701, 77402, 107497, 154804, 214994, 429988, 1397461, 1893601, 2794922, 3787202, 5589844, 7574404, 24616813, 49233626, 98467252, 320018569, 640037138, 1280074276]

約数ペア:

[(1, 1280074276), (2, 640037138), (4, 320018569), (13, 98467252), (26, 49233626), (52, 24616813), (169, 7574404), (229, 5589844), (338, 3787202), (458, 2794922), (676, 1893601), (916, 1397461), (2977, 429988), (5954, 214994), (8269, 154804), (11908, 107497), (16538, 77402), (33076, 38701)]