156781324

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{42743}}^1$

素因数の和:42885

約数の個数: 24

約数和(自身を含む): 315963648

約数和(自身を除く): 159182324

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 42743, 85486, 170972, 299201, 598402, 1196804, 5599333, 11198666, 22397332, 39195331, 78390662, 156781324]

約数ペア:

[(1, 156781324), (2, 78390662), (4, 39195331), (7, 22397332), (14, 11198666), (28, 5599333), (131, 1196804), (262, 598402), (524, 299201), (917, 170972), (1834, 85486), (3668, 42743)]