12604319

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 16164288

約数和(自身を除く): 3559969

約数列:

[1, 7, 13, 47, 49, 91, 329, 421, 611, 637, 2303, 2947, 4277, 5473, 19787, 20629, 29939, 38311, 138509, 257231, 268177, 969563, 1800617, 12604319]

約数ペア:

[(1, 12604319), (7, 1800617), (13, 969563), (47, 268177), (49, 257231), (91, 138509), (329, 38311), (421, 29939), (611, 20629), (637, 19787), (2303, 5473), (2947, 4277)]