620039959

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{617}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 801165312

約数和(自身を除く): 181125353

約数列:

[1, 7, 11, 31, 77, 217, 341, 421, 617, 2387, 2947, 4319, 4631, 6787, 13051, 19127, 32417, 47509, 91357, 133889, 143561, 210397, 259757, 1004927, 1472779, 1818299, 2857327, 8052467, 20001289, 56367269, 88577137, 620039959]

約数ペア:

[(1, 620039959), (7, 88577137), (11, 56367269), (31, 20001289), (77, 8052467), (217, 2857327), (341, 1818299), (421, 1472779), (617, 1004927), (2387, 259757), (2947, 210397), (4319, 143561), (4631, 133889), (6787, 91357), (13051, 47509), (19127, 32417)]