81971695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{5507}}^1$

素因数の和:5754

約数の個数: 16

約数和(自身を含む): 106414560

約数和(自身を除く): 24442865

約数列:

[1, 5, 13, 65, 229, 1145, 2977, 5507, 14885, 27535, 71591, 357955, 1261103, 6305515, 16394339, 81971695]

約数ペア:

[(1, 81971695), (5, 16394339), (13, 6305515), (65, 1261103), (229, 357955), (1145, 71591), (2977, 27535), (5507, 14885)]