81644828

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{659}}^2$

素因数の和:1369

約数の個数: 18

約数和(自身を含む): 146140176

約数和(自身を除く): 64495348

約数列:

[1, 2, 4, 47, 94, 188, 659, 1318, 2636, 30973, 61946, 123892, 434281, 868562, 1737124, 20411207, 40822414, 81644828]

約数ペア:

[(1, 81644828), (2, 40822414), (4, 20411207), (47, 1737124), (94, 868562), (188, 434281), (659, 123892), (1318, 61946), (2636, 30973)]