257032

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 514350

約数和(自身を除く): 257318

約数列:

[1, 2, 4, 8, 19, 38, 76, 89, 152, 178, 356, 361, 712, 722, 1444, 1691, 2888, 3382, 6764, 13528, 32129, 64258, 128516, 257032]

約数ペア:

[(1, 257032), (2, 128516), (4, 64258), (8, 32129), (19, 13528), (38, 6764), (76, 3382), (89, 2888), (152, 1691), (178, 1444), (356, 722), (361, 712)]