256409982

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 587865600

約数和(自身を除く): 331455618

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 179, 246, 358, 369, 537, 647, 738, 1074, 1107, 1294, 1611, 1941, 2214, 3222, 3882, 4833, 5823, 7339, 9666, 11646, 14678, 17469, 22017, 26527, 34938, 44034, 53054, 66051, 79581, 115813, 132102, 159162, 198153, 231626, 238743, 347439, 396306, 477486, 694878, 716229, 1042317, 1432458, 2084634, 3126951, 4748333, 6253902, 9496666, 14244999, 28489998, 42734997, 85469994, 128204991, 256409982]

約数ペア:

[(1, 256409982), (2, 128204991), (3, 85469994), (6, 42734997), (9, 28489998), (18, 14244999), (27, 9496666), (41, 6253902), (54, 4748333), (82, 3126951), (123, 2084634), (179, 1432458), (246, 1042317), (358, 716229), (369, 694878), (537, 477486), (647, 396306), (738, 347439), (1074, 238743), (1107, 231626), (1294, 198153), (1611, 159162), (1941, 132102), (2214, 115813), (3222, 79581), (3882, 66051), (4833, 53054), (5823, 44034), (7339, 34938), (9666, 26527), (11646, 22017), (14678, 17469)]