128825956

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{769}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 267688960

約数和(自身を除く): 138863004

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 193, 217, 386, 434, 769, 772, 868, 1351, 1538, 2702, 3076, 5383, 5404, 5983, 10766, 11966, 21532, 23839, 23932, 41881, 47678, 83762, 95356, 148417, 166873, 167524, 296834, 333746, 593668, 667492, 1038919, 2077838, 4155676, 4600927, 9201854, 18403708, 32206489, 64412978, 128825956]

約数ペア:

[(1, 128825956), (2, 64412978), (4, 32206489), (7, 18403708), (14, 9201854), (28, 4600927), (31, 4155676), (62, 2077838), (124, 1038919), (193, 667492), (217, 593668), (386, 333746), (434, 296834), (769, 167524), (772, 166873), (868, 148417), (1351, 95356), (1538, 83762), (2702, 47678), (3076, 41881), (5383, 23932), (5404, 23839), (5983, 21532), (10766, 11966)]