27880528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:763

約数の個数: 40

約数和(自身を含む): 58496256

約数和(自身を除く): 30615728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 311, 431, 622, 862, 1244, 1724, 2488, 3448, 4043, 4976, 5603, 6896, 8086, 11206, 16172, 22412, 32344, 44824, 64688, 89648, 134041, 268082, 536164, 1072328, 1742533, 2144656, 3485066, 6970132, 13940264, 27880528]

約数ペア:

[(1, 27880528), (2, 13940264), (4, 6970132), (8, 3485066), (13, 2144656), (16, 1742533), (26, 1072328), (52, 536164), (104, 268082), (208, 134041), (311, 89648), (431, 64688), (622, 44824), (862, 32344), (1244, 22412), (1724, 16172), (2488, 11206), (3448, 8086), (4043, 6896), (4976, 5603)]