164157245

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7963}}^1$

素因数の和:8025

約数の個数: 32

約数和(自身を含む): 244654080

約数和(自身を除く): 80496835

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 7963, 20615, 39815, 55741, 151297, 246853, 278705, 756485, 1059079, 1234265, 1727971, 4690207, 5295395, 8639855, 23451035, 32831449, 164157245]

約数ペア:

[(1, 164157245), (5, 32831449), (7, 23451035), (19, 8639855), (31, 5295395), (35, 4690207), (95, 1727971), (133, 1234265), (155, 1059079), (217, 756485), (589, 278705), (665, 246853), (1085, 151297), (2945, 55741), (4123, 39815), (7963, 20615)]