81343328

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{1291}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 175815360

約数和(自身を除く): 94472032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 179, 352, 358, 716, 1291, 1432, 1969, 2582, 2864, 3938, 5164, 5728, 7876, 10328, 14201, 15752, 20656, 28402, 31504, 41312, 56804, 63008, 113608, 227216, 231089, 454432, 462178, 924356, 1848712, 2541979, 3697424, 5083958, 7394848, 10167916, 20335832, 40671664, 81343328]

約数ペア:

[(1, 81343328), (2, 40671664), (4, 20335832), (8, 10167916), (11, 7394848), (16, 5083958), (22, 3697424), (32, 2541979), (44, 1848712), (88, 924356), (176, 462178), (179, 454432), (352, 231089), (358, 227216), (716, 113608), (1291, 63008), (1432, 56804), (1969, 41312), (2582, 31504), (2864, 28402), (3938, 20656), (5164, 15752), (5728, 14201), (7876, 10328)]