6857890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:834

約数の個数: 32

約数和(自身を含む): 13499136

約数和(自身を除く): 6641246

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 743, 923, 1486, 1846, 3715, 4615, 7430, 9230, 9659, 19318, 48295, 52753, 96590, 105506, 263765, 527530, 685789, 1371578, 3428945, 6857890]

約数ペア:

[(1, 6857890), (2, 3428945), (5, 1371578), (10, 685789), (13, 527530), (26, 263765), (65, 105506), (71, 96590), (130, 52753), (142, 48295), (355, 19318), (710, 9659), (743, 9230), (923, 7430), (1486, 4615), (1846, 3715)]