16681448

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3347}}^1$

素因数の和:3449

約数の個数: 32

約数和(自身を含む): 36158400

約数和(自身を除く): 19476952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 3347, 4984, 6694, 13388, 23429, 26776, 46858, 93716, 187432, 297883, 595766, 1191532, 2085181, 2383064, 4170362, 8340724, 16681448]

約数ペア:

[(1, 16681448), (2, 8340724), (4, 4170362), (7, 2383064), (8, 2085181), (14, 1191532), (28, 595766), (56, 297883), (89, 187432), (178, 93716), (356, 46858), (623, 26776), (712, 23429), (1246, 13388), (2492, 6694), (3347, 4984)]