399651838

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1\times {\mathrm{2609}}^1$

素因数の和:3203

約数の個数: 16

約数和(自身を含む): 604350720

約数和(自身を除く): 204698882

約数列:

[1, 2, 191, 382, 401, 802, 2609, 5218, 76591, 153182, 498319, 996638, 1046209, 2092418, 199825919, 399651838]

約数ペア:

[(1, 399651838), (2, 199825919), (191, 2092418), (382, 1046209), (401, 996638), (802, 498319), (2609, 153182), (5218, 76591)]