129431144

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{123503}}^1$

素因数の和:123640

約数の個数: 16

約数和(自身を含む): 244537920

約数和(自身を除く): 115106776

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 123503, 247006, 494012, 988024, 16178893, 32357786, 64715572, 129431144]

約数ペア:

[(1, 129431144), (2, 64715572), (4, 32357786), (8, 16178893), (131, 988024), (262, 494012), (524, 247006), (1048, 123503)]