81941432

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{330409}}^1$

素因数の和:330446

約数の個数: 16

約数和(自身を含む): 158596800

約数和(自身を除く): 76655368

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 330409, 660818, 1321636, 2643272, 10242679, 20485358, 40970716, 81941432]

約数ペア:

[(1, 81941432), (2, 40970716), (4, 20485358), (8, 10242679), (31, 2643272), (62, 1321636), (124, 660818), (248, 330409)]