128428804

素因数分解:

$2^2\times 7^3\times {\mathrm{93607}}^1$

素因数の和:93632

約数の個数: 24

約数和(自身を含む): 262102400

約数和(自身を除く): 133673596

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 93607, 187214, 374428, 655249, 1310498, 2620996, 4586743, 9173486, 18346972, 32107201, 64214402, 128428804]

約数ペア:

[(1, 128428804), (2, 64214402), (4, 32107201), (7, 18346972), (14, 9173486), (28, 4586743), (49, 2620996), (98, 1310498), (196, 655249), (343, 374428), (686, 187214), (1372, 93607)]