395872

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 24

約数和(自身を含む): 793800

約数和(自身を除く): 397928

約数列:

[1, 2, 4, 8, 16, 32, 89, 139, 178, 278, 356, 556, 712, 1112, 1424, 2224, 2848, 4448, 12371, 24742, 49484, 98968, 197936, 395872]

約数ペア:

[(1, 395872), (2, 197936), (4, 98968), (8, 49484), (16, 24742), (32, 12371), (89, 4448), (139, 2848), (178, 2224), (278, 1424), (356, 1112), (556, 712)]