138410629

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 171343872

約数和(自身を除く): 32933243

約数列:

[1, 7, 31, 41, 47, 217, 287, 329, 331, 1271, 1457, 1927, 2317, 8897, 10199, 10261, 13489, 13571, 15557, 59737, 71827, 94997, 108899, 418159, 420701, 482267, 637837, 2944907, 3375869, 4464859, 19772947, 138410629]

約数ペア:

[(1, 138410629), (7, 19772947), (31, 4464859), (41, 3375869), (47, 2944907), (217, 637837), (287, 482267), (329, 420701), (331, 418159), (1271, 108899), (1457, 94997), (1927, 71827), (2317, 59737), (8897, 15557), (10199, 13571), (10261, 13489)]