81701938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 132969600

約数和(自身を除く): 51267662

約数列:

[1, 2, 19, 38, 53, 106, 113, 226, 359, 718, 1007, 2014, 2147, 4294, 5989, 6821, 11978, 13642, 19027, 38054, 40567, 81134, 113791, 227582, 361513, 723026, 770773, 1541546, 2150051, 4300102, 40850969, 81701938]

約数ペア:

[(1, 81701938), (2, 40850969), (19, 4300102), (38, 2150051), (53, 1541546), (106, 770773), (113, 723026), (226, 361513), (359, 227582), (718, 113791), (1007, 81134), (2014, 40567), (2147, 38054), (4294, 19027), (5989, 13642), (6821, 11978)]