81491432

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7069}}^1$

素因数の和:7217

約数の個数: 32

約数和(自身を含む): 167983200

約数和(自身を除く): 86491768

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 131, 262, 524, 1048, 1441, 2882, 5764, 7069, 11528, 14138, 28276, 56552, 77759, 155518, 311036, 622072, 926039, 1852078, 3704156, 7408312, 10186429, 20372858, 40745716, 81491432]

約数ペア:

[(1, 81491432), (2, 40745716), (4, 20372858), (8, 10186429), (11, 7408312), (22, 3704156), (44, 1852078), (88, 926039), (131, 622072), (262, 311036), (524, 155518), (1048, 77759), (1441, 56552), (2882, 28276), (5764, 14138), (7069, 11528)]