390973568

素因数分解:

$2^7\times {\mathrm{661}}^1\times {\mathrm{4621}}^1$

素因数の和:5296

約数の個数: 32

約数和(自身を含む): 780239820

約数和(自身を除く): 389266252

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 661, 1322, 2644, 4621, 5288, 9242, 10576, 18484, 21152, 36968, 42304, 73936, 84608, 147872, 295744, 591488, 3054481, 6108962, 12217924, 24435848, 48871696, 97743392, 195486784, 390973568]

約数ペア:

[(1, 390973568), (2, 195486784), (4, 97743392), (8, 48871696), (16, 24435848), (32, 12217924), (64, 6108962), (128, 3054481), (661, 591488), (1322, 295744), (2644, 147872), (4621, 84608), (5288, 73936), (9242, 42304), (10576, 36968), (18484, 21152)]