128255872

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{24439}}^1$

素因数の和:24494

約数の個数: 32

約数和(自身を含む): 261752400

約数和(自身を除く): 133496528

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 5248, 24439, 48878, 97756, 195512, 391024, 782048, 1001999, 1564096, 2003998, 3128192, 4007996, 8015992, 16031984, 32063968, 64127936, 128255872]

約数ペア:

[(1, 128255872), (2, 64127936), (4, 32063968), (8, 16031984), (16, 8015992), (32, 4007996), (41, 3128192), (64, 2003998), (82, 1564096), (128, 1001999), (164, 782048), (328, 391024), (656, 195512), (1312, 97756), (2624, 48878), (5248, 24439)]