17645852

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 36550080

約数和(自身を除く): 18904228

約数列:

[1, 2, 4, 7, 14, 28, 73, 89, 97, 146, 178, 194, 292, 356, 388, 511, 623, 679, 1022, 1246, 1358, 2044, 2492, 2716, 6497, 7081, 8633, 12994, 14162, 17266, 25988, 28324, 34532, 45479, 49567, 60431, 90958, 99134, 120862, 181916, 198268, 241724, 630209, 1260418, 2520836, 4411463, 8822926, 17645852]

約数ペア:

[(1, 17645852), (2, 8822926), (4, 4411463), (7, 2520836), (14, 1260418), (28, 630209), (73, 241724), (89, 198268), (97, 181916), (146, 120862), (178, 99134), (194, 90958), (292, 60431), (356, 49567), (388, 45479), (511, 34532), (623, 28324), (679, 25988), (1022, 17266), (1246, 14162), (1358, 12994), (2044, 8633), (2492, 7081), (2716, 6497)]