16158128

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1725

約数の個数: 40

約数和(自身を含む): 36203040

約数和(自身を除く): 20044912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 1621, 2492, 3242, 4984, 6484, 9968, 11347, 12968, 22694, 25936, 45388, 90776, 144269, 181552, 288538, 577076, 1009883, 1154152, 2019766, 2308304, 4039532, 8079064, 16158128]

約数ペア:

[(1, 16158128), (2, 8079064), (4, 4039532), (7, 2308304), (8, 2019766), (14, 1154152), (16, 1009883), (28, 577076), (56, 288538), (89, 181552), (112, 144269), (178, 90776), (356, 45388), (623, 25936), (712, 22694), (1246, 12968), (1424, 11347), (1621, 9968), (2492, 6484), (3242, 4984)]