81899008

素因数分解:

$2^9\times {\mathrm{103}}^1\times {\mathrm{1553}}^1$

素因数の和:1674

約数の個数: 40

約数和(自身を含む): 165333168

約数和(自身を除く): 83434160

約数列:

[1, 2, 4, 8, 16, 32, 64, 103, 128, 206, 256, 412, 512, 824, 1553, 1648, 3106, 3296, 6212, 6592, 12424, 13184, 24848, 26368, 49696, 52736, 99392, 159959, 198784, 319918, 397568, 639836, 795136, 1279672, 2559344, 5118688, 10237376, 20474752, 40949504, 81899008]

約数ペア:

[(1, 81899008), (2, 40949504), (4, 20474752), (8, 10237376), (16, 5118688), (32, 2559344), (64, 1279672), (103, 795136), (128, 639836), (206, 397568), (256, 319918), (412, 198784), (512, 159959), (824, 99392), (1553, 52736), (1648, 49696), (3106, 26368), (3296, 24848), (6212, 13184), (6592, 12424)]