2721698785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{18503}}^1$

素因数の和:18625

約数の個数: 32

約数和(自身を含む): 3680667648

約数和(自身を除く): 958968863

約数列:

[1, 5, 13, 31, 65, 73, 155, 365, 403, 949, 2015, 2263, 4745, 11315, 18503, 29419, 92515, 147095, 240539, 573593, 1202695, 1350719, 2867965, 6753595, 7456709, 17559347, 37283545, 41872289, 87796735, 209361445, 544339757, 2721698785]

約数ペア:

[(1, 2721698785), (5, 544339757), (13, 209361445), (31, 87796735), (65, 41872289), (73, 37283545), (155, 17559347), (365, 7456709), (403, 6753595), (949, 2867965), (2015, 1350719), (2263, 1202695), (4745, 573593), (11315, 240539), (18503, 147095), (29419, 92515)]