247802009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 322882560

約数和(自身を除く): 75080551

約数列:

[1, 7, 13, 19, 91, 133, 247, 251, 571, 1729, 1757, 3263, 3997, 4769, 7423, 10849, 22841, 33383, 51961, 61997, 75943, 141037, 143321, 433979, 987259, 1003247, 1863173, 2723099, 13042211, 19061693, 35400287, 247802009]

約数ペア:

[(1, 247802009), (7, 35400287), (13, 19061693), (19, 13042211), (91, 2723099), (133, 1863173), (247, 1003247), (251, 987259), (571, 433979), (1729, 143321), (1757, 141037), (3263, 75943), (3997, 61997), (4769, 51961), (7423, 33383), (10849, 22841)]