66478906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{28729}}^1$

素因数の和:28833

約数の個数: 16

約数和(自身を含む): 108599400

約数和(自身を除く): 42120494

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 28729, 57458, 373477, 746954, 2556881, 5113762, 33239453, 66478906]

約数ペア:

[(1, 66478906), (2, 33239453), (13, 5113762), (26, 2556881), (89, 746954), (178, 373477), (1157, 57458), (2314, 28729)]