780905738

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{118787}}^1$

素因数の和:118981

約数の個数: 16

約数和(自身を含む): 1240146720

約数和(自身を除く): 459240982

約数列:

[1, 2, 19, 38, 173, 346, 3287, 6574, 118787, 237574, 2256953, 4513906, 20550151, 41100302, 390452869, 780905738]

約数ペア:

[(1, 780905738), (2, 390452869), (19, 41100302), (38, 20550151), (173, 4513906), (346, 2256953), (3287, 237574), (6574, 118787)]