28518049

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 7193951

約数列:

[1, 7, 29, 47, 49, 61, 203, 329, 343, 427, 1363, 1421, 1769, 2303, 2867, 2989, 9541, 9947, 12383, 16121, 20069, 20923, 66787, 83143, 86681, 140483, 467509, 582001, 606767, 983381, 4074007, 28518049]

約数ペア:

[(1, 28518049), (7, 4074007), (29, 983381), (47, 606767), (49, 582001), (61, 467509), (203, 140483), (329, 86681), (343, 83143), (427, 66787), (1363, 20923), (1421, 20069), (1769, 16121), (2303, 12383), (2867, 9947), (2989, 9541)]