217682318

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 378667008

約数和(自身を除く): 160984690

約数列:

[1, 2, 7, 14, 127, 191, 254, 382, 641, 889, 1282, 1337, 1778, 2674, 4487, 8974, 24257, 48514, 81407, 122431, 162814, 169799, 244862, 339598, 569849, 857017, 1139698, 1714034, 15548737, 31097474, 108841159, 217682318]

約数ペア:

[(1, 217682318), (2, 108841159), (7, 31097474), (14, 15548737), (127, 1714034), (191, 1139698), (254, 857017), (382, 569849), (641, 339598), (889, 244862), (1282, 169799), (1337, 162814), (1778, 122431), (2674, 81407), (4487, 48514), (8974, 24257)]