256978494

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4057}}^1$

素因数の和:4111

約数の個数: 80

約数和(自身を含む): 636359328

約数和(自身を除く): 379380834

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 27, 34, 46, 51, 54, 69, 81, 102, 138, 153, 162, 207, 306, 391, 414, 459, 621, 782, 918, 1173, 1242, 1377, 1863, 2346, 2754, 3519, 3726, 4057, 7038, 8114, 10557, 12171, 21114, 24342, 31671, 36513, 63342, 68969, 73026, 93311, 109539, 137938, 186622, 206907, 219078, 279933, 328617, 413814, 559866, 620721, 657234, 839799, 1241442, 1586287, 1679598, 1862163, 2519397, 3172574, 3724326, 4758861, 5038794, 5586489, 7558191, 9517722, 11172978, 14276583, 15116382, 28553166, 42829749, 85659498, 128489247, 256978494]

約数ペア:

[(1, 256978494), (2, 128489247), (3, 85659498), (6, 42829749), (9, 28553166), (17, 15116382), (18, 14276583), (23, 11172978), (27, 9517722), (34, 7558191), (46, 5586489), (51, 5038794), (54, 4758861), (69, 3724326), (81, 3172574), (102, 2519397), (138, 1862163), (153, 1679598), (162, 1586287), (207, 1241442), (306, 839799), (391, 657234), (414, 620721), (459, 559866), (621, 413814), (782, 328617), (918, 279933), (1173, 219078), (1242, 206907), (1377, 186622), (1863, 137938), (2346, 109539), (2754, 93311), (3519, 73026), (3726, 68969), (4057, 63342), (7038, 36513), (8114, 31671), (10557, 24342), (12171, 21114)]