1261883878

素因数分解:

$2^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1\times {\mathrm{7417}}^1$

素因数の和:8007

約数の個数: 16

約数和(自身を含む): 1906188624

約数和(自身を除く): 644304746

約数列:

[1, 2, 257, 331, 514, 662, 7417, 14834, 85067, 170134, 1906169, 2455027, 3812338, 4910054, 630941939, 1261883878]

約数ペア:

[(1, 1261883878), (2, 630941939), (257, 4910054), (331, 3812338), (514, 2455027), (662, 1906169), (7417, 170134), (14834, 85067)]