81045038

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{1427}}^1$

素因数の和:1891

約数の個数: 16

約数和(自身を含む): 123636240

約数和(自身を除く): 42591202

約数列:

[1, 2, 73, 146, 389, 778, 1427, 2854, 28397, 56794, 104171, 208342, 555103, 1110206, 40522519, 81045038]

約数ペア:

[(1, 81045038), (2, 40522519), (73, 1110206), (146, 555103), (389, 208342), (778, 104171), (1427, 56794), (2854, 28397)]