81097408

素因数分解:

$2^6\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1153}}^1$

素因数の和:1329

約数の個数: 56

約数和(自身を含む): 185249312

約数和(自身を除く): 104151904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 157, 224, 314, 448, 628, 1099, 1153, 1256, 2198, 2306, 2512, 4396, 4612, 5024, 8071, 8792, 9224, 10048, 16142, 17584, 18448, 32284, 35168, 36896, 64568, 70336, 73792, 129136, 181021, 258272, 362042, 516544, 724084, 1267147, 1448168, 2534294, 2896336, 5068588, 5792672, 10137176, 11585344, 20274352, 40548704, 81097408]

約数ペア:

[(1, 81097408), (2, 40548704), (4, 20274352), (7, 11585344), (8, 10137176), (14, 5792672), (16, 5068588), (28, 2896336), (32, 2534294), (56, 1448168), (64, 1267147), (112, 724084), (157, 516544), (224, 362042), (314, 258272), (448, 181021), (628, 129136), (1099, 73792), (1153, 70336), (1256, 64568), (2198, 36896), (2306, 35168), (2512, 32284), (4396, 18448), (4612, 17584), (5024, 16142), (8071, 10048), (8792, 9224)]