405380534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{1559}}^1$

素因数の和:1784

約数の個数: 32

約数和(自身を含む): 669090240

約数和(自身を除く): 263709706

約数列:

[1, 2, 13, 26, 73, 137, 146, 274, 949, 1559, 1781, 1898, 3118, 3562, 10001, 20002, 20267, 40534, 113807, 130013, 213583, 227614, 260026, 427166, 1479491, 2776579, 2958982, 5553158, 15591559, 31183118, 202690267, 405380534]

約数ペア:

[(1, 405380534), (2, 202690267), (13, 31183118), (26, 15591559), (73, 5553158), (137, 2958982), (146, 2776579), (274, 1479491), (949, 427166), (1559, 260026), (1781, 227614), (1898, 213583), (3118, 130013), (3562, 113807), (10001, 40534), (20002, 20267)]