394274881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1283}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 531514368

約数和(自身を除く): 137239487

約数列:

[1, 7, 11, 13, 77, 91, 143, 307, 1001, 1283, 2149, 3377, 3991, 8981, 14113, 16679, 23639, 27937, 43901, 98791, 116753, 183469, 307307, 393881, 1284283, 2757167, 4332691, 5120453, 30328837, 35843171, 56324983, 394274881]

約数ペア:

[(1, 394274881), (7, 56324983), (11, 35843171), (13, 30328837), (77, 5120453), (91, 4332691), (143, 2757167), (307, 1284283), (1001, 393881), (1283, 307307), (2149, 183469), (3377, 116753), (3991, 98791), (8981, 43901), (14113, 27937), (16679, 23639)]