261749248

素因数分解:

$2^9\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:433

約数の個数: 80

約数和(自身を含む): 551855304

約数和(自身を除く): 290106056

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 64, 74, 82, 128, 148, 164, 256, 296, 328, 337, 512, 592, 656, 674, 1184, 1312, 1348, 1517, 2368, 2624, 2696, 3034, 4736, 5248, 5392, 6068, 9472, 10496, 10784, 12136, 12469, 13817, 18944, 20992, 21568, 24272, 24938, 27634, 43136, 48544, 49876, 55268, 86272, 97088, 99752, 110536, 172544, 194176, 199504, 221072, 388352, 399008, 442144, 511229, 776704, 798016, 884288, 1022458, 1596032, 1768576, 2044916, 3192064, 3537152, 4089832, 6384128, 7074304, 8179664, 16359328, 32718656, 65437312, 130874624, 261749248]

約数ペア:

[(1, 261749248), (2, 130874624), (4, 65437312), (8, 32718656), (16, 16359328), (32, 8179664), (37, 7074304), (41, 6384128), (64, 4089832), (74, 3537152), (82, 3192064), (128, 2044916), (148, 1768576), (164, 1596032), (256, 1022458), (296, 884288), (328, 798016), (337, 776704), (512, 511229), (592, 442144), (656, 399008), (674, 388352), (1184, 221072), (1312, 199504), (1348, 194176), (1517, 172544), (2368, 110536), (2624, 99752), (2696, 97088), (3034, 86272), (4736, 55268), (5248, 49876), (5392, 48544), (6068, 43136), (9472, 27634), (10496, 24938), (10784, 24272), (12136, 21568), (12469, 20992), (13817, 18944)]