281509462

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2089}}^1$

素因数の和:2248

約数の個数: 32

約数和(自身を含む): 467691840

約数和(自身を除く): 186182378

約数列:

[1, 2, 13, 26, 71, 73, 142, 146, 923, 949, 1846, 1898, 2089, 4178, 5183, 10366, 27157, 54314, 67379, 134758, 148319, 152497, 296638, 304994, 1928147, 1982461, 3856294, 3964922, 10827287, 21654574, 140754731, 281509462]

約数ペア:

[(1, 281509462), (2, 140754731), (13, 21654574), (26, 10827287), (71, 3964922), (73, 3856294), (142, 1982461), (146, 1928147), (923, 304994), (949, 296638), (1846, 152497), (1898, 148319), (2089, 134758), (4178, 67379), (5183, 54314), (10366, 27157)]