128455792

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{186709}}^1$

素因数の和:186760

約数の個数: 20

約数和(自身を含む): 254672440

約数和(自身を除く): 126216648

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 186709, 373418, 746836, 1493672, 2987344, 8028487, 16056974, 32113948, 64227896, 128455792]

約数ペア:

[(1, 128455792), (2, 64227896), (4, 32113948), (8, 16056974), (16, 8028487), (43, 2987344), (86, 1493672), (172, 746836), (344, 373418), (688, 186709)]