128275706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{953}}^1$

素因数の和:1166

約数の個数: 32

約数和(自身を含む): 215405568

約数和(自身を除く): 87129862

約数列:

[1, 2, 13, 26, 31, 62, 167, 334, 403, 806, 953, 1906, 2171, 4342, 5177, 10354, 12389, 24778, 29543, 59086, 67301, 134602, 159151, 318302, 384059, 768118, 2068963, 4137926, 4933681, 9867362, 64137853, 128275706]

約数ペア:

[(1, 128275706), (2, 64137853), (13, 9867362), (26, 4933681), (31, 4137926), (62, 2068963), (167, 768118), (334, 384059), (403, 318302), (806, 159151), (953, 134602), (1906, 67301), (2171, 59086), (4342, 29543), (5177, 24778), (10354, 12389)]