2179802128

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{246361}}^1$

素因数の和:246455

約数の個数: 40

約数和(自身を含む): 4887822080

約数和(自身を除く): 2708019952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 4424, 8848, 246361, 492722, 985444, 1724527, 1970888, 3449054, 3941776, 6898108, 13796216, 19462519, 27592432, 38925038, 77850076, 136237633, 155700152, 272475266, 311400304, 544950532, 1089901064, 2179802128]

約数ペア:

[(1, 2179802128), (2, 1089901064), (4, 544950532), (7, 311400304), (8, 272475266), (14, 155700152), (16, 136237633), (28, 77850076), (56, 38925038), (79, 27592432), (112, 19462519), (158, 13796216), (316, 6898108), (553, 3941776), (632, 3449054), (1106, 1970888), (1264, 1724527), (2212, 985444), (4424, 492722), (8848, 246361)]