489566464

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 1035326880

約数和(自身を除く): 545760416

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 251, 256, 304, 401, 502, 608, 802, 1004, 1216, 1604, 2008, 2432, 3208, 4016, 4769, 4864, 6416, 7619, 8032, 9538, 12832, 15238, 16064, 19076, 25664, 30476, 32128, 38152, 51328, 60952, 64256, 76304, 100651, 102656, 121904, 152608, 201302, 243808, 305216, 402604, 487616, 610432, 805208, 975232, 1220864, 1610416, 1912369, 1950464, 3220832, 3824738, 6441664, 7649476, 12883328, 15298952, 25766656, 30597904, 61195808, 122391616, 244783232, 489566464]

約数ペア:

[(1, 489566464), (2, 244783232), (4, 122391616), (8, 61195808), (16, 30597904), (19, 25766656), (32, 15298952), (38, 12883328), (64, 7649476), (76, 6441664), (128, 3824738), (152, 3220832), (251, 1950464), (256, 1912369), (304, 1610416), (401, 1220864), (502, 975232), (608, 805208), (802, 610432), (1004, 487616), (1216, 402604), (1604, 305216), (2008, 243808), (2432, 201302), (3208, 152608), (4016, 121904), (4769, 102656), (4864, 100651), (6416, 76304), (7619, 64256), (8032, 60952), (9538, 51328), (12832, 38152), (15238, 32128), (16064, 30476), (19076, 25664)]