81839764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{1109}}^1$

素因数の和:2103

約数の個数: 24

約数和(自身を含む): 151048800

約数和(自身を除く): 69209036

約数列:

[1, 2, 4, 19, 38, 76, 971, 1109, 1942, 2218, 3884, 4436, 18449, 21071, 36898, 42142, 73796, 84284, 1076839, 2153678, 4307356, 20459941, 40919882, 81839764]

約数ペア:

[(1, 81839764), (2, 40919882), (4, 20459941), (19, 4307356), (38, 2153678), (76, 1076839), (971, 84284), (1109, 73796), (1942, 42142), (2218, 36898), (3884, 21071), (4436, 18449)]