9977984

素因数分解:

$2^7\times {\mathrm{137}}^1\times {\mathrm{569}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 20058300

約数和(自身を除く): 10080316

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 274, 548, 569, 1096, 1138, 2192, 2276, 4384, 4552, 8768, 9104, 17536, 18208, 36416, 72832, 77953, 155906, 311812, 623624, 1247248, 2494496, 4988992, 9977984]

約数ペア:

[(1, 9977984), (2, 4988992), (4, 2494496), (8, 1247248), (16, 623624), (32, 311812), (64, 155906), (128, 77953), (137, 72832), (274, 36416), (548, 18208), (569, 17536), (1096, 9104), (1138, 8768), (2192, 4552), (2276, 4384)]