81980119

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1\times {\mathrm{563}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 92477952

約数和(自身を除く): 10497833

約数列:

[1, 13, 23, 299, 487, 563, 6331, 7319, 11201, 12949, 145613, 168337, 274181, 3564353, 6306163, 81980119]

約数ペア:

[(1, 81980119), (13, 6306163), (23, 3564353), (299, 274181), (487, 168337), (563, 145613), (6331, 12949), (7319, 11201)]