1640559739

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3793}}^1$

素因数の和:3924

約数の個数: 32

約数和(自身を含む): 2082147200

約数和(自身を除く): 441587461

約数列:

[1, 7, 13, 49, 91, 97, 343, 637, 679, 1261, 3793, 4459, 4753, 8827, 26551, 33271, 49309, 61789, 185857, 345163, 367921, 432523, 1300999, 2416141, 2575447, 4782973, 16912987, 18028129, 33480811, 126196903, 234365677, 1640559739]

約数ペア:

[(1, 1640559739), (7, 234365677), (13, 126196903), (49, 33480811), (91, 18028129), (97, 16912987), (343, 4782973), (637, 2575447), (679, 2416141), (1261, 1300999), (3793, 432523), (4459, 367921), (4753, 345163), (8827, 185857), (26551, 61789), (33271, 49309)]