261446144

素因数分解:

$2^9\times {\mathrm{37}}^2\times {\mathrm{373}}^1$

素因数の和:465

約数の個数: 60

約数和(自身を含む): 538321014

約数和(自身を除く): 276874870

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 373, 512, 592, 746, 1184, 1369, 1492, 2368, 2738, 2984, 4736, 5476, 5968, 9472, 10952, 11936, 13801, 18944, 21904, 23872, 27602, 43808, 47744, 55204, 87616, 95488, 110408, 175232, 190976, 220816, 350464, 441632, 510637, 700928, 883264, 1021274, 1766528, 2042548, 3533056, 4085096, 7066112, 8170192, 16340384, 32680768, 65361536, 130723072, 261446144]

約数ペア:

[(1, 261446144), (2, 130723072), (4, 65361536), (8, 32680768), (16, 16340384), (32, 8170192), (37, 7066112), (64, 4085096), (74, 3533056), (128, 2042548), (148, 1766528), (256, 1021274), (296, 883264), (373, 700928), (512, 510637), (592, 441632), (746, 350464), (1184, 220816), (1369, 190976), (1492, 175232), (2368, 110408), (2738, 95488), (2984, 87616), (4736, 55204), (5476, 47744), (5968, 43808), (9472, 27602), (10952, 23872), (11936, 21904), (13801, 18944)]