256883256

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{509689}}^1$

素因数の和:509708

約数の個数: 48

約数和(自身を含む): 795116400

約数和(自身を除く): 538233144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 509689, 1019378, 1529067, 2038756, 3058134, 3567823, 4077512, 4587201, 6116268, 7135646, 9174402, 10703469, 12232536, 14271292, 18348804, 21406938, 28542584, 32110407, 36697608, 42813876, 64220814, 85627752, 128441628, 256883256]

約数ペア:

[(1, 256883256), (2, 128441628), (3, 85627752), (4, 64220814), (6, 42813876), (7, 36697608), (8, 32110407), (9, 28542584), (12, 21406938), (14, 18348804), (18, 14271292), (21, 12232536), (24, 10703469), (28, 9174402), (36, 7135646), (42, 6116268), (56, 4587201), (63, 4077512), (72, 3567823), (84, 3058134), (126, 2038756), (168, 1529067), (252, 1019378), (504, 509689)]