71978218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89303}}^1$

素因数の和:89349

約数の個数: 16

約数和(自身を含む): 120024576

約数和(自身を除く): 48046358

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 89303, 178606, 1160939, 2321878, 2768393, 5536786, 35989109, 71978218]

約数ペア:

[(1, 71978218), (2, 35989109), (13, 5536786), (26, 2768393), (31, 2321878), (62, 1160939), (403, 178606), (806, 89303)]