321857998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1153

約数の個数: 64

約数和(自身を含む): 635765760

約数和(自身を除く): 313907762

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 89, 154, 161, 178, 253, 322, 506, 623, 979, 1021, 1246, 1771, 1958, 2042, 2047, 3542, 4094, 6853, 7147, 11231, 13706, 14294, 14329, 22462, 22517, 23483, 28658, 45034, 46966, 78617, 90869, 157234, 157619, 164381, 181738, 258313, 315238, 328762, 516626, 636083, 999559, 1272166, 1808191, 1999118, 2089987, 3616382, 4179974, 6996913, 13993826, 14629909, 22989857, 29259818, 45979714, 160928999, 321857998]

約数ペア:

[(1, 321857998), (2, 160928999), (7, 45979714), (11, 29259818), (14, 22989857), (22, 14629909), (23, 13993826), (46, 6996913), (77, 4179974), (89, 3616382), (154, 2089987), (161, 1999118), (178, 1808191), (253, 1272166), (322, 999559), (506, 636083), (623, 516626), (979, 328762), (1021, 315238), (1246, 258313), (1771, 181738), (1958, 164381), (2042, 157619), (2047, 157234), (3542, 90869), (4094, 78617), (6853, 46966), (7147, 45034), (11231, 28658), (13706, 23483), (14294, 22517), (14329, 22462)]