40028905

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 57507840

約数和(自身を除く): 17478935

約数列:

[1, 5, 7, 31, 35, 79, 155, 217, 395, 467, 553, 1085, 2335, 2449, 2765, 3269, 12245, 14477, 16345, 17143, 36893, 72385, 85715, 101339, 184465, 258251, 506695, 1143683, 1291255, 5718415, 8005781, 40028905]

約数ペア:

[(1, 40028905), (5, 8005781), (7, 5718415), (31, 1291255), (35, 1143683), (79, 506695), (155, 258251), (217, 184465), (395, 101339), (467, 85715), (553, 72385), (1085, 36893), (2335, 17143), (2449, 16345), (2765, 14477), (3269, 12245)]