401026688

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{51361}}^1$

素因数の和:51436

約数の個数: 32

約数和(自身を含む): 812033220

約数和(自身を除く): 411006532

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 3904, 7808, 51361, 102722, 205444, 410888, 821776, 1643552, 3133021, 3287104, 6266042, 6574208, 12532084, 25064168, 50128336, 100256672, 200513344, 401026688]

約数ペア:

[(1, 401026688), (2, 200513344), (4, 100256672), (8, 50128336), (16, 25064168), (32, 12532084), (61, 6574208), (64, 6266042), (122, 3287104), (128, 3133021), (244, 1643552), (488, 821776), (976, 410888), (1952, 205444), (3904, 102722), (7808, 51361)]