257191952

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{554293}}^1$

素因数の和:554330

約数の個数: 20

約数和(自身を含む): 515493420

約数和(自身を除く): 258301468

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 554293, 1108586, 2217172, 4434344, 8868688, 16074497, 32148994, 64297988, 128595976, 257191952]

約数ペア:

[(1, 257191952), (2, 128595976), (4, 64297988), (8, 32148994), (16, 16074497), (29, 8868688), (58, 4434344), (116, 2217172), (232, 1108586), (464, 554293)]