256221936

素因数分解:

$2^4\times 3^2\times {\mathrm{67}}^1\times {\mathrm{26557}}^1$

素因数の和:26638

約数の個数: 60

約数和(自身を含む): 727795432

約数和(自身を除く): 471573496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 67, 72, 134, 144, 201, 268, 402, 536, 603, 804, 1072, 1206, 1608, 2412, 3216, 4824, 9648, 26557, 53114, 79671, 106228, 159342, 212456, 239013, 318684, 424912, 478026, 637368, 956052, 1274736, 1779319, 1912104, 3558638, 3824208, 5337957, 7117276, 10675914, 14234552, 16013871, 21351828, 28469104, 32027742, 42703656, 64055484, 85407312, 128110968, 256221936]

約数ペア:

[(1, 256221936), (2, 128110968), (3, 85407312), (4, 64055484), (6, 42703656), (8, 32027742), (9, 28469104), (12, 21351828), (16, 16013871), (18, 14234552), (24, 10675914), (36, 7117276), (48, 5337957), (67, 3824208), (72, 3558638), (134, 1912104), (144, 1779319), (201, 1274736), (268, 956052), (402, 637368), (536, 478026), (603, 424912), (804, 318684), (1072, 239013), (1206, 212456), (1608, 159342), (2412, 106228), (3216, 79671), (4824, 53114), (9648, 26557)]