490207844

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{87977}}^1$

素因数の和:88187

約数の個数: 24

約数和(自身を含む): 985353600

約数和(自身を除く): 495145756

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 87977, 175954, 351908, 615839, 1231678, 2463356, 17507423, 35014846, 70029692, 122551961, 245103922, 490207844]

約数ペア:

[(1, 490207844), (2, 245103922), (4, 122551961), (7, 70029692), (14, 35014846), (28, 17507423), (199, 2463356), (398, 1231678), (796, 615839), (1393, 351908), (2786, 175954), (5572, 87977)]