128683604

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21179}}^1$

素因数の和:21228

約数の個数: 36

約数和(自身を含む): 270426240

約数和(自身を除く): 141742636

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 21179, 42358, 84716, 148253, 296506, 593012, 656549, 1037771, 1313098, 2075542, 2626196, 4151084, 4595843, 9191686, 18383372, 32170901, 64341802, 128683604]

約数ペア:

[(1, 128683604), (2, 64341802), (4, 32170901), (7, 18383372), (14, 9191686), (28, 4595843), (31, 4151084), (49, 2626196), (62, 2075542), (98, 1313098), (124, 1037771), (196, 656549), (217, 593012), (434, 296506), (868, 148253), (1519, 84716), (3038, 42358), (6076, 21179)]