128315992

素因数分解:

$2^3\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{1889}}^1$

素因数の和:3115

約数の個数: 32

約数和(自身を含む): 275335200

約数和(自身を除く): 147019208

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1213, 1889, 2426, 3778, 4852, 7556, 8491, 9704, 13223, 15112, 16982, 26446, 33964, 52892, 67928, 105784, 2291357, 4582714, 9165428, 16039499, 18330856, 32078998, 64157996, 128315992]

約数ペア:

[(1, 128315992), (2, 64157996), (4, 32078998), (7, 18330856), (8, 16039499), (14, 9165428), (28, 4582714), (56, 2291357), (1213, 105784), (1889, 67928), (2426, 52892), (3778, 33964), (4852, 26446), (7556, 16982), (8491, 15112), (9704, 13223)]