81407426

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1\times {\mathrm{1951}}^1$

素因数の和:2657

約数の個数: 16

約数和(自身を含む): 126302208

約数和(自身を除く): 44894782

約数列:

[1, 2, 31, 62, 673, 1346, 1951, 3902, 20863, 41726, 60481, 120962, 1313023, 2626046, 40703713, 81407426]

約数ペア:

[(1, 81407426), (2, 40703713), (31, 2626046), (62, 1313023), (673, 120962), (1346, 60481), (1951, 41726), (3902, 20863)]