2129178239

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 2308331520

約数和(自身を除く): 179153281

約数列:

[1, 31, 43, 89, 131, 137, 1333, 2759, 3827, 4061, 4247, 5633, 5891, 11659, 12193, 17947, 118637, 174623, 182621, 361429, 377983, 501337, 524299, 556357, 771721, 1597283, 15541447, 16253269, 23923351, 49515773, 68683169, 2129178239]

約数ペア:

[(1, 2129178239), (31, 68683169), (43, 49515773), (89, 23923351), (131, 16253269), (137, 15541447), (1333, 1597283), (2759, 771721), (3827, 556357), (4061, 524299), (4247, 501337), (5633, 377983), (5891, 361429), (11659, 182621), (12193, 174623), (17947, 118637)]