138330185

素因数分解:

$5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 196224000

約数和(自身を除く): 57893815

約数列:

[1, 5, 7, 35, 49, 79, 245, 343, 395, 553, 1021, 1715, 2765, 3871, 5105, 7147, 19355, 27097, 35735, 50029, 80659, 135485, 250145, 350203, 403295, 564613, 1751015, 2823065, 3952291, 19761455, 27666037, 138330185]

約数ペア:

[(1, 138330185), (5, 27666037), (7, 19761455), (35, 3952291), (49, 2823065), (79, 1751015), (245, 564613), (343, 403295), (395, 350203), (553, 250145), (1021, 135485), (1715, 80659), (2765, 50029), (3871, 35735), (5105, 27097), (7147, 19355)]