399447438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{8521}}^1$

素因数の和:9140

約数の個数: 32

約数和(自身を含む): 861880992

約数和(自身を除く): 462433554

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 601, 1202, 1803, 3606, 7813, 8521, 15626, 17042, 23439, 25563, 46878, 51126, 110773, 221546, 332319, 664638, 5121121, 10242242, 15363363, 30726726, 66574573, 133149146, 199723719, 399447438]

約数ペア:

[(1, 399447438), (2, 199723719), (3, 133149146), (6, 66574573), (13, 30726726), (26, 15363363), (39, 10242242), (78, 5121121), (601, 664638), (1202, 332319), (1803, 221546), (3606, 110773), (7813, 51126), (8521, 46878), (15626, 25563), (17042, 23439)]