128468176

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{186727}}^1$

素因数の和:186778

約数の個数: 20

約数和(自身を含む): 254696992

約数和(自身を除く): 126228816

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 186727, 373454, 746908, 1493816, 2987632, 8029261, 16058522, 32117044, 64234088, 128468176]

約数ペア:

[(1, 128468176), (2, 64234088), (4, 32117044), (8, 16058522), (16, 8029261), (43, 2987632), (86, 1493816), (172, 746908), (344, 373454), (688, 186727)]