1640376661

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{1933}}^1$

素因数の和:2161

約数の個数: 32

約数和(自身を含む): 2085378048

約数和(自身を除く): 445001387

約数列:

[1, 7, 11, 77, 103, 107, 721, 749, 1133, 1177, 1933, 7931, 8239, 11021, 13531, 21263, 77147, 121231, 148841, 199099, 206831, 848617, 1393693, 1447817, 2190089, 2275141, 15330623, 15925987, 21303593, 149125151, 234339523, 1640376661]

約数ペア:

[(1, 1640376661), (7, 234339523), (11, 149125151), (77, 21303593), (103, 15925987), (107, 15330623), (721, 2275141), (749, 2190089), (1133, 1447817), (1177, 1393693), (1933, 848617), (7931, 206831), (8239, 199099), (11021, 148841), (13531, 121231), (21263, 77147)]