1491107905

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{9887}}^1$

素因数の和:10069

約数の個数: 32

約数和(自身を含む): 2126315520

約数和(自身を除く): 635207615

約数列:

[1, 5, 7, 31, 35, 139, 155, 217, 695, 973, 1085, 4309, 4865, 9887, 21545, 30163, 49435, 69209, 150815, 306497, 346045, 1374293, 1532485, 2145479, 6871465, 9620051, 10727395, 42603083, 48100255, 213015415, 298221581, 1491107905]

約数ペア:

[(1, 1491107905), (5, 298221581), (7, 213015415), (31, 48100255), (35, 42603083), (139, 10727395), (155, 9620051), (217, 6871465), (695, 2145479), (973, 1532485), (1085, 1374293), (4309, 346045), (4865, 306497), (9887, 150815), (21545, 69209), (30163, 49435)]