512254509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1\times {\mathrm{661}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 761607168

約数和(自身を除く): 249352659

約数列:

[1, 3, 13, 31, 39, 93, 403, 641, 661, 1209, 1923, 1983, 8333, 8593, 19871, 20491, 24999, 25779, 59613, 61473, 258323, 266383, 423701, 774969, 799149, 1271103, 5508113, 13134731, 16524339, 39404193, 170751503, 512254509]

約数ペア:

[(1, 512254509), (3, 170751503), (13, 39404193), (31, 16524339), (39, 13134731), (93, 5508113), (403, 1271103), (641, 799149), (661, 774969), (1209, 423701), (1923, 266383), (1983, 258323), (8333, 61473), (8593, 59613), (19871, 25779), (20491, 24999)]