208129552

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{121571}}^1$

素因数の和:121686

約数の個数: 20

約数和(自身を含む): 407023056

約数和(自身を除く): 198893504

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 121571, 243142, 486284, 972568, 1945136, 13008097, 26016194, 52032388, 104064776, 208129552]

約数ペア:

[(1, 208129552), (2, 104064776), (4, 52032388), (8, 26016194), (16, 13008097), (107, 1945136), (214, 972568), (428, 486284), (856, 243142), (1712, 121571)]