81901814

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1\times {\mathrm{2141}}^1$

素因数の和:2791

約数の個数: 16

約数和(自身を含む): 127080576

約数和(自身を除く): 45178762

約数列:

[1, 2, 31, 62, 617, 1234, 2141, 4282, 19127, 38254, 66371, 132742, 1320997, 2641994, 40950907, 81901814]

約数ペア:

[(1, 81901814), (2, 40950907), (31, 2641994), (62, 1320997), (617, 132742), (1234, 66371), (2141, 38254), (4282, 19127)]