399058924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{394327}}^1$

素因数の和:394365

約数の個数: 24

約数和(自身を含む): 794965248

約数和(自身を除く): 395906324

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 394327, 788654, 1577308, 4337597, 8675194, 9069521, 17350388, 18139042, 36278084, 99764731, 199529462, 399058924]

約数ペア:

[(1, 399058924), (2, 199529462), (4, 99764731), (11, 36278084), (22, 18139042), (23, 17350388), (44, 9069521), (46, 8675194), (92, 4337597), (253, 1577308), (506, 788654), (1012, 394327)]