81616336

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{69877}}^1$

素因数の和:69958

約数の個数: 20

約数和(自身を含む): 160300132

約数和(自身を除く): 78683796

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 69877, 139754, 279508, 559016, 1118032, 5101021, 10202042, 20404084, 40808168, 81616336]

約数ペア:

[(1, 81616336), (2, 40808168), (4, 20404084), (8, 10202042), (16, 5101021), (73, 1118032), (146, 559016), (292, 279508), (584, 139754), (1168, 69877)]