199878145

素因数分解:

$5^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1\times {\mathrm{743}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 242341632

約数和(自身を除く): 42463487

約数列:

[1, 5, 173, 311, 743, 865, 1555, 3715, 53803, 128539, 231073, 269015, 642695, 1155365, 39975629, 199878145]

約数ペア:

[(1, 199878145), (5, 39975629), (173, 1155365), (311, 642695), (743, 269015), (865, 231073), (1555, 128539), (3715, 53803)]