257503808

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{503}}^1$

素因数の和:955

約数の個数: 56

約数和(自身を含む): 540227520

約数和(自身を除く): 282723712

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 421, 503, 608, 842, 1006, 1216, 1684, 2012, 3368, 4024, 6736, 7999, 8048, 9557, 13472, 15998, 16096, 19114, 26944, 31996, 32192, 38228, 63992, 76456, 127984, 152912, 211763, 255968, 305824, 423526, 511936, 611648, 847052, 1694104, 3388208, 4023497, 6776416, 8046994, 13552832, 16093988, 32187976, 64375952, 128751904, 257503808]

約数ペア:

[(1, 257503808), (2, 128751904), (4, 64375952), (8, 32187976), (16, 16093988), (19, 13552832), (32, 8046994), (38, 6776416), (64, 4023497), (76, 3388208), (152, 1694104), (304, 847052), (421, 611648), (503, 511936), (608, 423526), (842, 305824), (1006, 255968), (1216, 211763), (1684, 152912), (2012, 127984), (3368, 76456), (4024, 63992), (6736, 38228), (7999, 32192), (8048, 31996), (9557, 26944), (13472, 19114), (15998, 16096)]