61718293

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:326

約数の個数: 36

約数和(自身を含む): 80735940

約数和(自身を除く): 19017647

約数列:

[1, 7, 13, 29, 49, 91, 169, 203, 257, 377, 637, 1183, 1421, 1799, 2639, 3341, 4901, 7453, 8281, 12593, 18473, 23387, 34307, 43433, 52171, 96889, 163709, 240149, 304031, 365197, 678223, 1259557, 2128217, 4747561, 8816899, 61718293]

約数ペア:

[(1, 61718293), (7, 8816899), (13, 4747561), (29, 2128217), (49, 1259557), (91, 678223), (169, 365197), (203, 304031), (257, 240149), (377, 163709), (637, 96889), (1183, 52171), (1421, 43433), (1799, 34307), (2639, 23387), (3341, 18473), (4901, 12593), (7453, 8281)]