81867008

素因数分解:

$2^8\times {\mathrm{199}}^1\times {\mathrm{1607}}^1$

素因数の和:1822

約数の個数: 36

約数和(自身を含む): 164337600

約数和(自身を除く): 82470592

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 796, 1592, 1607, 3184, 3214, 6368, 6428, 12736, 12856, 25472, 25712, 50944, 51424, 102848, 205696, 319793, 411392, 639586, 1279172, 2558344, 5116688, 10233376, 20466752, 40933504, 81867008]

約数ペア:

[(1, 81867008), (2, 40933504), (4, 20466752), (8, 10233376), (16, 5116688), (32, 2558344), (64, 1279172), (128, 639586), (199, 411392), (256, 319793), (398, 205696), (796, 102848), (1592, 51424), (1607, 50944), (3184, 25712), (3214, 25472), (6368, 12856), (6428, 12736)]