1280150912

素因数分解:

$2^7\times {\mathrm{491}}^1\times {\mathrm{20369}}^1$

素因数の和:20874

約数の個数: 32

約数和(自身を含む): 2555620200

約数和(自身を除く): 1275469288

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 491, 982, 1964, 3928, 7856, 15712, 20369, 31424, 40738, 62848, 81476, 162952, 325904, 651808, 1303616, 2607232, 10001179, 20002358, 40004716, 80009432, 160018864, 320037728, 640075456, 1280150912]

約数ペア:

[(1, 1280150912), (2, 640075456), (4, 320037728), (8, 160018864), (16, 80009432), (32, 40004716), (64, 20002358), (128, 10001179), (491, 2607232), (982, 1303616), (1964, 651808), (3928, 325904), (7856, 162952), (15712, 81476), (20369, 62848), (31424, 40738)]