220169761

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 267632640

約数和(自身を除く): 47462879

約数列:

[1, 7, 43, 47, 79, 197, 301, 329, 553, 1379, 2021, 3397, 3713, 8471, 9259, 14147, 15563, 23779, 25991, 59297, 64813, 108941, 159659, 398137, 669209, 731461, 1117613, 2786959, 4684463, 5120227, 31452823, 220169761]

約数ペア:

[(1, 220169761), (7, 31452823), (43, 5120227), (47, 4684463), (79, 2786959), (197, 1117613), (301, 731461), (329, 669209), (553, 398137), (1379, 159659), (2021, 108941), (3397, 64813), (3713, 59297), (8471, 25991), (9259, 23779), (14147, 15563)]