128698736

素因数分解:

$2^4\times {\mathrm{1223}}^1\times {\mathrm{6577}}^1$

素因数の和:7808

約数の個数: 20

約数和(自身を含む): 249595632

約数和(自身を除く): 120896896

約数列:

[1, 2, 4, 8, 16, 1223, 2446, 4892, 6577, 9784, 13154, 19568, 26308, 52616, 105232, 8043671, 16087342, 32174684, 64349368, 128698736]

約数ペア:

[(1, 128698736), (2, 64349368), (4, 32174684), (8, 16087342), (16, 8043671), (1223, 105232), (2446, 52616), (4892, 26308), (6577, 19568), (9784, 13154)]