257884928

素因数分解:

$2^8\times 7^1\times {\mathrm{143909}}^1$

素因数の和:143932

約数の個数: 36

約数和(自身を含む): 588304080

約数和(自身を除く): 330419152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 143909, 287818, 575636, 1007363, 1151272, 2014726, 2302544, 4029452, 4605088, 8058904, 9210176, 16117808, 18420352, 32235616, 36840704, 64471232, 128942464, 257884928]

約数ペア:

[(1, 257884928), (2, 128942464), (4, 64471232), (7, 36840704), (8, 32235616), (14, 18420352), (16, 16117808), (28, 9210176), (32, 8058904), (56, 4605088), (64, 4029452), (112, 2302544), (128, 2014726), (224, 1151272), (256, 1007363), (448, 575636), (896, 287818), (1792, 143909)]