251408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:854

約数の個数: 20

約数和(自身を含む): 513360

約数和(自身を除く): 261952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 827, 1654, 3308, 6616, 13232, 15713, 31426, 62852, 125704, 251408]

約数ペア:

[(1, 251408), (2, 125704), (4, 62852), (8, 31426), (16, 15713), (19, 13232), (38, 6616), (76, 3308), (152, 1654), (304, 827)]