179940509

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 219580416

約数和(自身を除く): 39639907

約数列:

[1, 7, 37, 43, 107, 151, 259, 301, 749, 1057, 1591, 3959, 4601, 5587, 6493, 11137, 16157, 27713, 32207, 39109, 45451, 113099, 170237, 240241, 597809, 694751, 1191659, 1681687, 4184663, 4863257, 25705787, 179940509]

約数ペア:

[(1, 179940509), (7, 25705787), (37, 4863257), (43, 4184663), (107, 1681687), (151, 1191659), (259, 694751), (301, 597809), (749, 240241), (1057, 170237), (1591, 113099), (3959, 45451), (4601, 39109), (5587, 32207), (6493, 27713), (11137, 16157)]