491487952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1806941}}^1$

素因数の和:1806966

約数の個数: 20

約数和(自身を含む): 1008273636

約数和(自身を除く): 516785684

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1806941, 3613882, 7227764, 14455528, 28911056, 30717997, 61435994, 122871988, 245743976, 491487952]

約数ペア:

[(1, 491487952), (2, 245743976), (4, 122871988), (8, 61435994), (16, 30717997), (17, 28911056), (34, 14455528), (68, 7227764), (136, 3613882), (272, 1806941)]