128216270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{140897}}^1$

素因数の和:140924

約数の個数: 32

約数和(自身を含む): 284050368

約数和(自身を除く): 155834098

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 140897, 281794, 704485, 986279, 1408970, 1831661, 1972558, 3663322, 4931395, 9158305, 9862790, 12821627, 18316610, 25643254, 64108135, 128216270]

約数ペア:

[(1, 128216270), (2, 64108135), (5, 25643254), (7, 18316610), (10, 12821627), (13, 9862790), (14, 9158305), (26, 4931395), (35, 3663322), (65, 1972558), (70, 1831661), (91, 1408970), (130, 986279), (182, 704485), (455, 281794), (910, 140897)]