16317980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{16651}}^1$

素因数の和:16674

約数の個数: 36

約数和(自身を含む): 39864888

約数和(自身を除く): 23546908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 16651, 33302, 66604, 83255, 116557, 166510, 233114, 333020, 466228, 582785, 815899, 1165570, 1631798, 2331140, 3263596, 4079495, 8158990, 16317980]

約数ペア:

[(1, 16317980), (2, 8158990), (4, 4079495), (5, 3263596), (7, 2331140), (10, 1631798), (14, 1165570), (20, 815899), (28, 582785), (35, 466228), (49, 333020), (70, 233114), (98, 166510), (140, 116557), (196, 83255), (245, 66604), (490, 33302), (980, 16651)]