1906345

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 2757888

約数和(自身を除く): 851543

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 251, 1085, 1255, 1519, 1757, 7595, 7781, 8785, 12299, 38905, 54467, 61495, 272335, 381269, 1906345]

約数ペア:

[(1, 1906345), (5, 381269), (7, 272335), (31, 61495), (35, 54467), (49, 38905), (155, 12299), (217, 8785), (245, 7781), (251, 7595), (1085, 1757), (1255, 1519)]