39940516

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1259}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 88058880

約数和(自身を除く): 48118364

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 103, 154, 206, 308, 412, 721, 1133, 1259, 1442, 2266, 2518, 2884, 4532, 5036, 7931, 8813, 13849, 15862, 17626, 27698, 31724, 35252, 55396, 96943, 129677, 193886, 259354, 387772, 518708, 907739, 1426447, 1815478, 2852894, 3630956, 5705788, 9985129, 19970258, 39940516]

約数ペア:

[(1, 39940516), (2, 19970258), (4, 9985129), (7, 5705788), (11, 3630956), (14, 2852894), (22, 1815478), (28, 1426447), (44, 907739), (77, 518708), (103, 387772), (154, 259354), (206, 193886), (308, 129677), (412, 96943), (721, 55396), (1133, 35252), (1259, 31724), (1442, 27698), (2266, 17626), (2518, 15862), (2884, 13849), (4532, 8813), (5036, 7931)]