81015764

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{449}}^1\times {\mathrm{571}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 144144000

約数和(自身を除く): 63128236

約数列:

[1, 2, 4, 79, 158, 316, 449, 571, 898, 1142, 1796, 2284, 35471, 45109, 70942, 90218, 141884, 180436, 256379, 512758, 1025516, 20253941, 40507882, 81015764]

約数ペア:

[(1, 81015764), (2, 40507882), (4, 20253941), (79, 1025516), (158, 512758), (316, 256379), (449, 180436), (571, 141884), (898, 90218), (1142, 70942), (1796, 45109), (2284, 35471)]