12780821963

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{36931}}^1\times {\mathrm{3803}}^1$

素因数の和:40754

約数の個数: 16

約数和(自身を含む): 15734804736

約数和(自身を除く): 2953982773

約数列:

[1, 7, 13, 91, 3803, 26621, 36931, 49439, 258517, 346073, 480103, 3360721, 140448593, 983140151, 1825831709, 12780821963]

約数ペア:

[(1, 12780821963), (7, 1825831709), (13, 983140151), (91, 140448593), (3803, 3360721), (26621, 480103), (36931, 346073), (49439, 258517)]