289380412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{122827}}^1$

素因数の和:122881

約数の個数: 24

約数和(自身を含む): 550269440

約数和(自身を除く): 260889028

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 122827, 245654, 491308, 2333713, 3807637, 4667426, 7615274, 9334852, 15230548, 72345103, 144690206, 289380412]

約数ペア:

[(1, 289380412), (2, 144690206), (4, 72345103), (19, 15230548), (31, 9334852), (38, 7615274), (62, 4667426), (76, 3807637), (124, 2333713), (589, 491308), (1178, 245654), (2356, 122827)]